Wednesday, 31 August 2016
Google Apps Now Prefers Okta for Businesses
from Tom's IT Pro
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Security+ Question of the Week: BYOD Compliance
When an employee brings in their own PED to use on the company network, the process used to bring it into compliance with the BYOD policy is commonly known as?
A. Forensics
B. PTZ
C. On‐boarding
D. RTO
The correct answer is C.
A PED is a personal electronic device, which means anything portable such as a notebook, tablet or smart phone. The process used to bring it into compliance with the BYOD policy is commonly known as on-boarding.
Forensics is the process of gathering evidence. PTZ stands for pan, tilt, zoom and refers to the common remote control features of security cameras. RTO stands for recovery time objective, which is the amount of time allocated for a disaster recovery process in order to return an organization back to a functioning state.
Related Courses
Security+ Prep Course (SY0-401)
Security+ Certification Boot Camp (SY0-401)
Security+ Question of the Week (SY0-401) Series
- Security+ Question of the Week: Deploying a Firewall
- Security+ Question of the Week: Flood Guard
- Security+ Question of the Week: iSCSI
- Security+ Question of the Week: Wireless MAC Filtering
- Security+ Question of the Week: Quantitative Analysis
- Security+ Question of the Week: Contracts
- Security+ Question of the Week: System Clock
- Security+ Question of the Week: Security Breach Incident Response
- Security+ Question of the Week: Reduce Electrostatic Discharge
- Security+ Question of the Week: Planting Malware
- Security+ Question of the Week: Network Hardening
- Security+ Question of the Week: Fuzzing
- Security+ Question of the Week: Single Sign‐On
- Security+ Question of the Week: Digital Envelope
- Security+ Question of the Week: Confining Communications to a Subnet
- Security+ Question of the Week: DoS Tool
- Security+ Question of the Week: Intranet Defense
- Security+ Question of the Week: War Driving
- Security+ Question of the Week: User Rights and Permissions Checks
- Security+ Question of the Week: Third Party Partnerships
- Security+ Question of the Week: Indicator of Integrity
- Security+ Question of the Week: Incident Response Procedure
- Security+ Question of the Week: Good Password Behavior
- Security+ Question of the Week: Tailgating
- Security+ Question of the Week: Differential Backup
- Security+ Question of the Week: Government and Military
- Security+ Question of the Week: Backdoor
- Security+ Question of the Week: Wrong Name or Address
- Security+ Question of the Week: Increase in Email Hoaxes
- Security+ Question of the Week: Suspicious Location-Based Messages
- Security+ Question of the Week: Session Hijack
- Security+ Question of the Week: Definition of a Threat
- Security+ Question of the Week: Dismiss Alarms
- Security+ Question of the Week: NoSQL vs. SQL Database
- Security+ Question of the Week: BYOD Compliance
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Best IT Trainer Certifications For 2017
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Best Time and Attendance Software
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Tuesday, 30 August 2016
Windows 10 Professional vs. Enterprise: What's Best for Business?
from Tom's IT Pro
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Two Great Security Features of VMware’s NSX Network Virtualization Platform
The VMware NSX platform combines networking and security functionality directly in the hypervisor and it interoperable with a vast majority of VMware’s products. The platform provides a set of logical networking elements and services, using logical switching, routing, load balancing, VPN, firewall, etc. This product decouples network functionality from the physical devices.
There are quite a few built-in services that are a part of NSX that enhance security. More than just micro-segmentation, including — the distributed firewall, security groups, IPsec VPN, NSX edge firewall, data security, and server activity monitoring. Third-party services can also be integrated such as antivirus, intrusion prevention, vulnerability management, as well as identity and access management.
This post focuses on two features: the distributed firewall and security groups.
VMware NSX Platform’s Distributed Firewall
The distributed firewall is spread across ESXi hosts and is enforced as close to the virtual machine traffic source. The distributed firewall runs as a kernel service within ESXi, providing excellent throughput. By adding more ESXi hosts to a cluster, the distributed firewall throughput capacity increases.
The NSX distributed firewall can be used to enforce stateful firewall services for virtual machines, enforcing at the virtual machine’s vNIC. All inbound (after Virtual Extensible LAN [VXLAN] Tunnel Endpoint — also called VTEP — as well as de-encapsulation) and outbound (before VTEP encapsulation) can be inspected with firewall policies. NSX’s distributed firewall rules are based on Layer 2 through Layer 4.
Distributed firewall rules differ by the layer to which it corresponds:
- Layer 2 rules are based on MAC address, which include protocols such as ARP, LLDP and others.
- Layer 3 rules are based on IP address
- Layer 4 rules designate TCP or UDP service port
With third-party integration, security features through Layer 7 may be implemented. These policies are created in vCenter Server using the vSphere Web Client.
VMware NSX Platform’s Security Group
Security groups can be extremely powerful when combined with a security policy or firewall rule. Security groups allow the grouping of an object collection within a vSphere inventory. After a security group is created, policies may be attached to it. One clever feature the ability to determine group membership by using several criteria. This criterion is determined by a set of conditions that must be matched; this can include guest operating system type, virtual machine name, computer name (in guest operating systems), security tag or entity. Additionally, exclusions may be set to ensure that certain inventory objects are not included in the group.
Firewall rules can be created as a part of the security policy applied to the virtual machines contained within the security group. The Service Composer components provisions and assigns network and security services to applications.
The VMware NSX platform changes the way networking and security services are provisioned. It allows greater visibility (including being able to determine the virtual machines’ names as well as their operating systems). This allows for more granular management and security, allowing (for example) — creating firewall rules at the vNIC level.
Combining this level of flexibility and functionality with the rest of VMware’s offerings, the NSX platform is a powerful aspect of the data center.
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What is a Mobile Rootkit?
from Tom's IT Pro
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Monday, 29 August 2016
Businesses Can Legally Operate Drones Now
from Tom's IT Pro
via CERTIVIEW
CCNA Collaboration Question of the Week: Cisco TelePresence Management Suite
Which four features are provided by Cisco TelePresence Management Suite (TMS)? (Choose four.)
A. Scheduling of video conference calls
B. Built-in-bridge functionality for multiparty video conferences
C. SIP-H.323 protocol interworking
D. Centralized management of conference resources
E. SMTP email event notification
F. Endpoint configuration backup and restore
G. Cisco TelePresence endpoint automated redundancy
H. Automated resource optimization
Answer: A, D, E and F.
Per Cisco: Benefits of Cisco TMS include:
- Scalable provisioning: Cisco TMS can support rapid, large-scale deployments of up to 100,000 Cisco TelePresence users, endpoints and soft clients across disparate customer locations, including up to 5,000 direct-managed devices.
- Centralized administration: Cisco TMS automates and simplifies the management of Cisco Telepresence meetings and Cisco Telepresence infrastructure resources, reducing your total cost of ownership (TCO).
- Flexible scheduling: Cisco TMS makes scheduling Cisco Telepresence meetings more accessible with a range of tools including a simple and intuitive Smart Scheduler option, extensions for Microsoft Exchange integration to automate email generation, and advanced booking capabilities for experienced administrators.
- Natural user experience: Cisco TMS reduces complexity and makes it easy for users to start and join meetings on time with One Button to Push (OBTP) capability for select Cisco TelePresence systems and intuitive instructions for other participants, including one-click-to-join for people joining with WebEx® and in-meeting message notifications.
Features of Cisco TMS include:
- Centralized management of all conferences, impromptu and scheduled, in real time
- Flexible scheduling tools designed to meet the needs of basic users for quick conference creation, including integration with Microsoft Exchange for scheduling through Outlook clients, and to provide advanced conference booking options for sophisticated users
- Robust and flexible phone book management that supports synchronization with a wide range of directories, including external sources for easy contact management
- A selection of ready-to-use reports and support for the creation of fully customizable reports to answer specific business questions
- Telepresence endpoint configuration backup and restore
Related Courses
CICD – Implementing Cisco Collaboration Devices
CIVND2 – Implementing Cisco Video Network Devices v1.0
Related Certification
CCNA Collaboration
Learn more about Cisco Collaboration training.
CCNA Collaboration Question of the Week Series
- CCNA Collaboration Question of the Week: Cisco Presence Deployment
- CCNA Collaboration Question of the Week: Deploying VoIP
- CCNA Collaboration Question of the Week: Add Multiple Users
- CCNA Collaboration Question of the Week: Name, not Number
- CCNA Collaboration Question of the Week: Jabber
- CCNA Collaboration Question of the Week: Cisco TelePresence TX Systems
- CCNA Collaboration Question of the Week: Lighting a Room
- CCNA Collaboration Question of the Week: Cisco Video Communication Server
- CCNA Collaboration Question of the Week: Cisco TelePresence SX Endpoint
- CCNA Collaboration Question of the Week: Cisco TelePresence Management Suite
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Beware of Ransomware: A Security Alert for Your Employees
from Tom's IT Pro
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Tech Professionals in Finance, Healthcare Earn More
from Tom's IT Pro
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Friday, 26 August 2016
Best Hosted VoIP Solutions for Business
from Tom's IT Pro
via CERTIVIEW
CCNP Data Center Question of the Week: Layer 3 Card
Which statement about the Layer 3 card on the Cisco Nexus 5500 Series Switch is true?
A. BGP is not supported, but RIP, EIGRP, and OSPF are supported.
B. Up to two 4-port cards are supported with Layer 3 forwarding capability.
C. Up to 16 FEX connections are supported.
D. Port channels cannot be configured as Layer 3 interfaces.
Answer: C.
Per the Cisco data sheet for the Nexus 5500:
Layer 3 interfaces: Routed ports on Cisco Nexus 5500 platform interfaces, switch virtual interface (SVI), PortChannels, subinterfaces and PortChannel subinterfaces for a total of 4096 entries.
- Support for up to 8000 prefixes and up to 16000 IPv4 and 8000 IPv6 host entries
- Support for up to 8000 multicast routes
- Support for up to 8000 IGMP groups
- Support for 1000 VRF entries
- Support for up to 4096 VLANs
- 16-way equal-cost multipathing (ECMP)
- 1664 ingress and 2048 egress access control list (ACL) entries
- Routing protocols: Static, Routing Information Protocol Version2 (RIPv2), Enhanced Interior Gateway Routing Protocol (EIGRP), Open Shortest Path First Version 2 (OSPFv2), and Border Gateway Protocol (BGP)
- IPv6 Routing Protocols: Static, Open Shortest Path First Version 3 (OPFv3), Border Gateway Protocol (BGPv6), Enhanced Interior Gateway Routing Protocol (EIGRPv6)
- IPv6 VRF Lite
- Hot-Standby Router Protocol (HSRP) and Virtual Router Redundancy Protocol (VRRP)
- ACL: Routed ACL with Layer 3 and 4 options to match ingress and egress ACL
- Multicast: Protocol Independent Multicast Version 2 (PIMv2) sparse mode, Source Specific Multicast (SSM), Multicast Source Discovery Protocol (MSDP), Internet Group Management Protocol Versions 2, and 3 (IGMP v2, and v3), and Multicast VLAN Registration (MVR)
- Virtual Route Forwarding (VRF): VRF-lite (IP VPN); VRF-aware unicast; and BGP-, OSPF-, RIP-, and VRF-aware multicast
- Unicast Reverse Path Forwarding (uRFP) with ACL; strict and loose modes
- Jumbo frame support (up to 9216 bytes)
- Support for up to 16 fabric extender on each Nexus 5500 with L3 modules
Related Courses
DCUCI – Data Center Unified Computing Implementation v5.0
DCUFI – Implementing Cisco Data Center Unified Fabric v5.0
DCUCD – Designing Cisco Data Center Unified Computing v5.0
DCUFD – Designing Cisco Data Center Unified Fabric v5.0
DCUCT – Troubleshooting Cisco Data Center Unified Computing v5.0
DCUFT – Troubleshooting Cisco Data Center Unified Fabric v5.0
Related Certification
CCNP Data Center
CCNP Data Center Question of the Week Series
- CCNP Data Center Question of the Week: Cisco Technology
- CCNP Data Center Question of the Week: Aggregation Layer
- CCNP Data Center Question of the Week: Connecting Multiple Data Centers
- CCNP Data Center Question of the Week: Cisco FabricPath
- CCNP Data Center Question of the Week: Scalability in OTV
- CCNP Data Center Question of the Week: Cisco Nexus 7000 Line Cards
- CCNP Data Center Question of the Week: Layer 3 Card
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Microsoft Offers VMWare Switchers Free Windows Server 2016 Licenses
from Tom's IT Pro
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Thursday, 25 August 2016
Best Microsoft Word Add-Ons for IT Professionals
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Soft Skills Your Boss Cares About
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Wednesday, 24 August 2016
Security+ Question of the Week: NoSQL vs. SQL Database
What is the primary distinction between a NoSQL database and a SQL database?
A. One supports structure query language expressions, while the other does not.
B. One handles structured data, while the other handles big data.
C. One is implemented using open source technologies, while the other uses commercial code.
D. One is useful for private networks, while the other is used only in the cloud.
The correct answer is B.
The primary distinction between a NoSQL database and a SQL database is that one handles structured data, while the other handles big data. In most cases, even NoSQL databases support structured query language (SQL) expressions. In fact, the term NoSQL is a bit disingenuous as it should be called Non-relational as the database is not a standard relational table but a collection of numerous heterogeneous data sets. NoSQL databases and SQL databases can be implemented with either open source or commercial code solutions. Also, neither is limited to private networks or cloud only.
Related Courses
Security+ Prep Course (SY0-401)
Security+ Certification Boot Camp (SY0-401)
Security+ Question of the Week (SY0-401) Series
- Security+ Question of the Week: Deploying a Firewall
- Security+ Question of the Week: Flood Guard
- Security+ Question of the Week: iSCSI
- Security+ Question of the Week: Wireless MAC Filtering
- Security+ Question of the Week: Quantitative Analysis
- Security+ Question of the Week: Contracts
- Security+ Question of the Week: System Clock
- Security+ Question of the Week: Security Breach Incident Response
- Security+ Question of the Week: Reduce Electrostatic Discharge
- Security+ Question of the Week: Planting Malware
- Security+ Question of the Week: Network Hardening
- Security+ Question of the Week: Fuzzing
- Security+ Question of the Week: Single Sign‐On
- Security+ Question of the Week: Digital Envelope
- Security+ Question of the Week: Confining Communications to a Subnet
- Security+ Question of the Week: DoS Tool
- Security+ Question of the Week: Intranet Defense
- Security+ Question of the Week: War Driving
- Security+ Question of the Week: User Rights and Permissions Checks
- Security+ Question of the Week: Third Party Partnerships
- Security+ Question of the Week: Indicator of Integrity
- Security+ Question of the Week: Incident Response Procedure
- Security+ Question of the Week: Good Password Behavior
- Security+ Question of the Week: Tailgating
- Security+ Question of the Week: Differential Backup
- Security+ Question of the Week: Government and Military
- Security+ Question of the Week: Backdoor
- Security+ Question of the Week: Wrong Name or Address
- Security+ Question of the Week: Increase in Email Hoaxes
- Security+ Question of the Week: Suspicious Location-Based Messages
- Security+ Question of the Week: Session Hijack
- Security+ Question of the Week: Definition of a Threat
- Security+ Question of the Week: Dismiss Alarms
- Security+ Question of the Week: NoSQL vs. SQL Database
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Best Employee Mobile Device Policies Share These Four Things
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How to Create Phone Trees for Business Phone Systems
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Apple macOS Sierra: The Big IT Updates
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Tuesday, 23 August 2016
Best Unified Communications Certifications For 2017
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Teradata Certification Guide: Overview and Career Paths
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Monday, 22 August 2016
The Other Network: Why Personal and Professional Mingling Matters
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CCNA Collaboration Question of the Week: Cisco TelePresence SX Endpoint
You want to configure a Cisco TelePresence SX endpoint to use static IP addressing for the TFTP server. Which path will you use to complete this configuration?
A. Network Services > Network 1 > DHCP RequestTFTPServerAddress> Off
B. Network > TFTP > DHCP RequestTFTPServerAddress> Off
C. Network Services > TFTP > DHCP RequestTFTPServerAddress> Off
D. Configuration > System Configuration > Provisioning > Set the External Manager Address
Answer: D.
To configure a static address for the TFTP server, navigate to Configuration > System Configuration > Provisioning > Set the External Manager Address.
Related Courses
CICD – Implementing Cisco Collaboration Devices
CIVND2 – Implementing Cisco Video Network Devices v1.0
Related Certification
CCNA Collaboration
Learn more about Cisco Collaboration training.
CCNA Collaboration Question of the Week Series
- CCNA Collaboration Question of the Week: Cisco Presence Deployment
- CCNA Collaboration Question of the Week: Deploying VoIP
- CCNA Collaboration Question of the Week: Add Multiple Users
- CCNA Collaboration Question of the Week: Name, not Number
- CCNA Collaboration Question of the Week: Jabber
- CCNA Collaboration Question of the Week: Cisco TelePresence TX Systems
- CCNA Collaboration Question of the Week: Lighting a Room
- CCNA Collaboration Question of the Week: Cisco Video Communication Server
- CCNA Collaboration Question of the Week: Cisco TelePresence SX Endpoint
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What is Ransomware?
from Tom's IT Pro
via CERTIVIEW
Friday, 19 August 2016
Microsoft Brings PowerShell to Linux and Mac
from Tom's IT Pro
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Best Lenovo Laptops for Business
from Tom's IT Pro
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CCNP Data Center Question of the Week: Cisco Nexus 7000 Line Cards
Which two statements about Cisco Nexus 7000 line cards are true? (Choose two.)
A. M1, M2 and F1 cards are allowed in the same VDC.
B. M1, M2 and F1 cards are not allowed in the same VDC.
C. F line cards are Layer 3 only.
D. M line cards support Layer 2, Layer 3 and Layer 4 with large forwarding tables and a rich feature set.
E. The F2 line card must reside in the admin VDC.
Answer: A and D.
Per Cisco data sheets for the Nexus 7000 series switches, the M1, M2 and F1 cards can coexist in the same virtual device context (VDC). The M series line cards are multilayer forwarding cards and with addition of the XL license, can accommodate a much larger layer 3 forwarding table (up to a million IPv4 routes).
Related Courses
DCUCI – Data Center Unified Computing Implementation v5.0
DCUFI – Implementing Cisco Data Center Unified Fabric v5.0
DCUCD – Designing Cisco Data Center Unified Computing v5.0
DCUFD – Designing Cisco Data Center Unified Fabric v5.0
DCUCT – Troubleshooting Cisco Data Center Unified Computing v5.0
DCUFT – Troubleshooting Cisco Data Center Unified Fabric v5.0
Related Certification
CCNP Data Center
CCNP Data Center Question of the Week Series
- CCNP Data Center Question of the Week: Cisco Technology
- CCNP Data Center Question of the Week: Aggregation Layer
- CCNP Data Center Question of the Week: Connecting Multiple Data Centers
- CCNP Data Center Question of the Week: Cisco FabricPath
- CCNP Data Center Question of the Week: Scalability in OTV
- CCNP Data Center Question of the Week: Cisco Nexus 7000 Line Cards
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Help Desk Institute (HDI) Certification Guide: Overview and Career Paths
from Tom's IT Pro
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Thursday, 18 August 2016
SOTI MobiControl v13 Mobile Device Management Review
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Google Chrome OS for Work: What You Need to Know
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Wednesday, 17 August 2016
How To Set Up And Configure DNS On Windows Server 2016
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Building a Business Case for a Cloud Monitoring Solution
from Tom's IT Pro
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Security+ Question of the Week: Dismiss Alarms
Which element of assessment or monitoring causes the security staff to discount the value of alarms?
A. False positives
B. Fuzzing
C. Excessive policy
D. Password cracking
The correct answer is A.
False positives is the element of assessment or monitoring causes the security staff to discount the value of alarms. A false positive is when a benign event triggers an alarm and thus, treats the event as potentially malicious.
Fuzzing is a testing process to locate flaws in code. An excessive policy is a security policy that allows everything (i.e. allow by default). Password cracking the process of reverse engineering a password hash in order to discover the original password.
Related Courses
Security+ Prep Course (SY0-401)
Security+ Certification Boot Camp (SY0-401)
Security+ Question of the Week (SY0-401) Series
- Security+ Question of the Week: Deploying a Firewall
- Security+ Question of the Week: Flood Guard
- Security+ Question of the Week: iSCSI
- Security+ Question of the Week: Wireless MAC Filtering
- Security+ Question of the Week: Quantitative Analysis
- Security+ Question of the Week: Contracts
- Security+ Question of the Week: System Clock
- Security+ Question of the Week: Security Breach Incident Response
- Security+ Question of the Week: Reduce Electrostatic Discharge
- Security+ Question of the Week: Planting Malware
- Security+ Question of the Week: Network Hardening
- Security+ Question of the Week: Fuzzing
- Security+ Question of the Week: Single Sign‐On
- Security+ Question of the Week: Digital Envelope
- Security+ Question of the Week: Confining Communications to a Subnet
- Security+ Question of the Week: DoS Tool
- Security+ Question of the Week: Intranet Defense
- Security+ Question of the Week: War Driving
- Security+ Question of the Week: User Rights and Permissions Checks
- Security+ Question of the Week: Third Party Partnerships
- Security+ Question of the Week: Indicator of Integrity
- Security+ Question of the Week: Incident Response Procedure
- Security+ Question of the Week: Good Password Behavior
- Security+ Question of the Week: Tailgating
- Security+ Question of the Week: Differential Backup
- Security+ Question of the Week: Government and Military
- Security+ Question of the Week: Backdoor
- Security+ Question of the Week: Wrong Name or Address
- Security+ Question of the Week: Increase in Email Hoaxes
- Security+ Question of the Week: Suspicious Location-Based Messages
- Security+ Question of the Week: Session Hijack
- Security+ Question of the Week: Definition of a Threat
- Security+ Question of the Week: Dismiss Alarms
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Tuesday, 16 August 2016
Goodbye Patch Tuesday: Windows 7, 8.1 Patches Go Monthly
from Tom's IT Pro
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Azure RemoteApp is Dead. Long Live XenApp Express
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IT Training vs Certifications: What's the Difference?
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Best Free Software Defined Networking (SDN) Training and Materials
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Monday, 15 August 2016
Best Free Project Management Training Materials for IT Pros
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Why VPNs Are Essential for Small Businesses
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CCNA Collaboration Question of the Week: Cisco Video Communication Server
Which three features does the Cisco Video Communication Server provide? (Choose three.)
A. Native Cisco SCCP integration
B. SIP-H.323 interworking functionality
C. Native scheduling
D. SIP trunk integration with Cisco Unified Communications Manager
E. Third-party standards-based H.323 and SIP device registration
F. Reverse proxy
Answer: B, D and E.
Per Cisco: Important use cases for Cisco VCS include:
- Business-to-business video: Using Uniform Resource Identifier (URI) dialing, you can collaborate with customers, partners, and suppliers as easily and securely as you do with email messages. No prearrangements are needed. And, if your partners, suppliers, or customers have a third-party standards-based H.323, H.264 switched virtual circuit (SVC), or Session Initiation Protocol (SIP) system, you can collaborate with them too – as easily as you do with those people in your own office.
- Mobile video experiences using Cisco Jabber® for TelePresence (formally Movi™) clients: Secure mobile access based on Transport Layer Security (TLS), Cisco Jabber® for TelePresence mobile lets you make and receive video calls without requiring the extra step of a VPN.
- Teleworkers: Teleworkers can use their personal Cisco TelePresence endpoints for video interactions with colleagues, customers, partners, and suppliers from their home office.
- Investment protection: The solution offers video interoperability with your current standards-based H.323, H.264 SVC, and AVC or SIP systems and devices.
When Cisco VCS is deployed with Cisco Unified Communications Manager or Cisco Business Edition 9.1.2 or later, the following is also possible when remote and mobile access to Cisco Unified Communications Manager is enabled:
- Mobile experiences using any Cisco Jabber client with access to all collaboration workloads (video, voice, content, instant messaging, and presence) without requiring the extra step of a VPN.
- VPN-less teleworker support for Cisco TelePresence personal endpoints (Cisco TelePresence EX, MX, SX and C Series as well as Cisco Jabber).
- Mobile and browser-based collaboration with Jabber Guest: Realize the benefits of new ways of securely and easily interacting with “guests” whether they are consumers, other businesses, or even temporary employees.
Related Courses
CICD – Implementing Cisco Collaboration Devices
CIVND2 – Implementing Cisco Video Network Devices v1.0
Related Certification
CCNA Collaboration
Learn more about Cisco Collaboration training.
CCNA Collaboration Question of the Week Series
- CCNA Collaboration Question of the Week: Cisco Presence Deployment
- CCNA Collaboration Question of the Week: Deploying VoIP
- CCNA Collaboration Question of the Week: Add Multiple Users
- CCNA Collaboration Question of the Week: Name, not Number
- CCNA Collaboration Question of the Week: Jabber
- CCNA Collaboration Question of the Week: Cisco TelePresence TX Systems
- CCNA Collaboration Question of the Week: Lighting a Room
- CCNA Collaboration Question of the Week: Cisco Video Communication Server
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Friday, 12 August 2016
Microsoft Extends Support Deadline for Intel Skylake
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Business Phone Services: Best Picks and Buying Guide
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CCNP Data Center Question of the Week: Scalability in OTV
Which statement about scalability in OTV is true?
A. The control plane avoids flooding by passing MAC reachability information.
B. IP-based functionality provides Layer 3 extension over any transport.
C. Any encapsulation overhead is avoided by using IS-IS.
D. Unknown unicasts are handled by the authoritative edge device.
Answer: A.
OTV introduces the concept of “MAC routing,” which means a control plane protocol is used to exchange MAC reachability information between network devices, providing LAN extension functionality. IS-IS has been modified to supply that functionality for OTV.
Related Courses
DCUCI – Data Center Unified Computing Implementation v5.0
DCUFI – Implementing Cisco Data Center Unified Fabric v5.0
DCUCD – Designing Cisco Data Center Unified Computing v5.0
DCUFD – Designing Cisco Data Center Unified Fabric v5.0
DCUCT – Troubleshooting Cisco Data Center Unified Computing v5.0
DCUFT – Troubleshooting Cisco Data Center Unified Fabric v5.0
Related Certification
CCNP Data Center
CCNP Data Center Question of the Week Series
- CCNP Data Center Question of the Week: Cisco Technology
- CCNP Data Center Question of the Week: Aggregation Layer
- CCNP Data Center Question of the Week: Connecting Multiple Data Centers
- CCNP Data Center Question of the Week: Cisco FabricPath
- CCNP Data Center Question of the Week: Scalability in OTV
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Best IT Jokes. Ever.
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Thursday, 11 August 2016
Video Series from MVA Could Help You Ace Your MS Certification
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Wednesday, 10 August 2016
Delta's Virtual Crash and How to Avoid Your Own
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CEH v9 Question of the Week: Password Attack Method
Kelly is a network security officer for a large state-run agency in California. Kelly is asked by the IT manager of another state agency to perform a security audit on their network. This audit she is asked to perform is an external audit. The IT manager thought that Kelly would be a great candidate for this task since she does not work for this other agency and is an accomplished IT auditor. The first task that she is asked to perform is an attempt to crack user passwords. Since Kelly knows that all state agency passwords must abide by the same password policy, she believes she can finish this particular task quickly.
What is the best password attack method for Kelly to use in this situation?
A. Kelly can produce the best and fastest results if she uses a dictionary attack.
B. A hyberfil-based password attack is the best method of password cracking in this scenario.
C. She should utilize the reverse-encryption password cracking technique since she knows the password policy.
D. Kelly should use a rule-based attack on the agency’s user passwords.
The correct answer is D.
This attack is used when the attacker or security auditor has some information about the password. This is more powerful attack than the dictionary and brute-force attacks, because the attacker or security auditor knows the password type. For example, if the attacker or security auditor knows that the password contains a two- or three-digit number, he or she will use some specific techniques to extract the password quickly.
Related Course
Certified Ethical Hacker v9
CEH v9 Question of the Week Series
- CEH v9 Question of the Week: Retina Scanners
- CEH v9 Question of the Week: Employee Behavior
- CEH v9 Question of the Week: CVE-2007-2447
- CEH v9 Question of the Week: SQL Injection
- CEH v9 Question of the Week: Web Application Penetration Testing
- CEH v9 Question of the Week: iptables
- CEH v9 Question of the Week: Examine Streams of Packets
- CEH v9 Question of the Week: Scans
- CEH v9 Question of the Week: SQL Injection
- CEH v9 Question of the Week: Standard Risk Assessment
- CEH v9 Question of the Week: Penetration Testing
- CEH v9 Question of the Week: SMB Over TCP/IP
- CEH v9 Question of the Week: Block Cipher
- CEH v9 Question of the Week: Prevent Future DoS Attacks
- CEH v9 Question of the Week: Same MAC Address
- CEH v9 Question of the Week: XSS Scripting
- CEH v9 Question of the Week: Sniff a Switched Network
- CEH v9 Question of the Week: TCP/IP Session Hijacking
- CEH v9 Question of the Week: Firewall Traffic
- CEH v9 Question of the Week: Full TCP connection
- CEH v9 Question of the Week: Password Cracking Tool
- CEH v9 Question of the Week: Social Engineering Attack
- CEH v9 Question of the Week: Password Attack Method
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