[Free] Download New Latest (September 2016) CompTIA N10-006 Actual Test 31-40


Question 31

When convergence on a routed network occurs, which of the following is true?


A. All routers are using hop count as the metric

B. All routers have the same routing table

C. All routers learn the route to all connected networks

D. All routers use route summarization

Correct Answer: C


Routers exchange routing topology information with each other by using a routing protocol. When all routers have exchanged routing information with all other routers within a network, the routers are said to have converged. In other words: In a converged network all routers “agree” on what the network topology looks like.



Question 32

An administrator has a virtualization environment that includes a vSAN and iSCSI switching. Which of the following actions could the administrator take to improve the performance of data transfers over iSCSI switches?


A. The administrator should configure the switch ports to auto-negotiate the proper Ethernet settings.

B. The administrator should configure each vSAN participant to have its own VLAN.

C. The administrator should connect the iSCSI switches to each other over inter-switch links (ISL).

D. The administrator should set the MTU to 9000 on the each of the participants in the vSAN.

Correct Answer: D


When using an iSCSI SAN (with iSCSI switching), we can improve network performance by enabling `jumbo frames’. A jumbo frame is a frame with an MTU of more than 1500. By setting the MTU to 9000, there will be fewer but larger frames going over the network. Enabling jumbo frames can improve network performance by making data transmissions more efficient. The   CPUs on switches and routers can only process one frame at a time. By putting a larger payload into each frame, the CPUs have fewer frames to process.



Question 33

Which of the following would be used in an IP-based video conferencing deployment? (Select TWO).


A. RS-232

B. 56k modem

C. Bluetooth

D. Codec


Correct Answer: DE


The term “codec” is a concatenation of “encoder” and “decoder”. In video conferencing, a codec is software (or can be hardware) that compresses (encodes) raw video data before it is transmitted over the network. A codec on the receiving video conferencing device will then decompress (decode) the video signal for display on the conferencing display.

The Session Initiation Protocol (SIP) is a protocol for initiating an interactive user session that involves multimedia elements such as voice, chat, gaming, or in this case video.



Question 34

Which of the following network elements enables unified communication devices to connect to and traverse traffic onto the PSTN?


A. Access switch

B. UC gateway

C. UC server

D. Edge router

Correct Answer: B


People use many methods of communication nowadays such as voice, email, video and instant messaging. People also use many different devices to communicate such as smart phones, PDAs, computers etc. Unified Communications (UC) enables people using different modes of communication, different media, and different devices to communicate with anyone, anywhere, at any time.

Many communication methods use digital signals. To send a digital signal over the analog PSTN, you need a gateway (in this case a UC Gateway) to convert the digital signals into an analog format that can be sent over the PSTN.



Question 35

A technician is connecting a NAS device to an Ethernet network. Which of the following technologies will be used to encapsulate the frames?



B. Fibre channel



  Correct Answer: C


A NAS or a SAN will use either iSCSI or Fiber Channel. In this question, the NAS is connected to an Ethernet network. Therefore, iSCSI will most likely be used (Fiber Channel over Ethernet (FCoE) can be used but is less common). ISCSI means Internet SCSI. ISCSI uses TCP (Transmission Control Protocol) which enables it to be used over TCP/IP networks such as Ethernet.

For Fiber channel, a separate Fiber Channel network would be required unless FCoE is used.



Question 36

A SQuestion L server needs several terabytes of disk space available to do an uncompressed backup of a database. Which of the following devices would be the MOST cost efficient to use for this backup?





D. USB flash drive

Correct Answer: C


A NAS is a Network Attached Storage device; typically a bunch of cheap hard disks, usually arranged in a Raid and consisting of either SAS (serial attached SCSI) or Sata disks just like the ones in most desktops.

A NAS is essentially a file server that connects to an Ethernet network and is configured with a TCP/IP address. A NAS supports Windows networking and works at the file level as opposed to a SAN (Storage Area Network) which works at the block level when dealing with data. You can access file shares on a NAS in the same way that you would access file shares on a file server.

A NAS is a much cheaper option than a SAN.



Question 37

A company has a new offering to provide access to their product from a central location rather than clients internally hosting the product on the client network. The product contains sensitive corporate information that should not be accessible from one client to another. This is an example of which of the following?


A. Public SaaS

B. Private SaaS

C. Hybrid IaaS

D. Community IaaS

Correct Answer: B


SaaS stands for Software as a Service. This is a cloud model whereby a service provider provides a software service and makes the service available to customers over the Internet.

Examples of Saas include Microsoft Office 365, Microsoft Exchange Online, Microsoft Lync Online etc.

Advantages of Saas include ease of administration: no need to install and configure local servers, no need to configure backups, no need to keep the software patched, no need to worry about system recovery, lower costs: saving on the purchase of server hardware and software; with SaaS, you lease the service paying either monthly or yearly and compatibility by ensuring that all users are using the same version of software.

There are two types of SaaS: public and private. With public Saas, multiple customers (usually   companies) share the same servers running the software. With private Saas, the servers running the software are dedicated to a single customer which provides the isolation and extra security required when dealing with sensitive information.



Question 38

A technician is helping a SOHO determine where to install the server. Which of the following should be considered FIRST?


A. Compatibility requirements

B. Environment limitations

C. Cable length

D. Equipment limitations

Correct Answer: B


SOHO stands for Small Office / Home Office. A SOHO network is typically a small network. Being a small network, it is unlikely that it will have a datacenter or even a dedicated server room. Any servers installed in the network will still have the same environmental requirements as servers in a large network. The servers should be in a secure isolated area if required. The servers also need to be kept cool and dry. Therefore, the first consideration in a SOHO office is “Environment limitations”: where the servers and other network hardware will be located.



Question 39

A technician has been given a list of requirements for a LAN in an older building using CAT6 cabling. Which of the following environmental conditions should be considered when deciding whether or not to use plenum-rated cables?


A. Workstation models

B. Window placement

C. Floor composition

D. Ceiling airflow condition

Correct Answer: D


In a large building, the `plenum’ is the space between floors used to circulate air through the building. This space is also an ideal place to run computer network cabling. However, in the event of fire in the building, the network cables can be very hazardous because when they burn, the cable insulation gives off a poisonous smoke that gets circulated around the building.

Furthermore, the burning cables help to spread the fire.

Plenum-rated cables are designed to be cabled through the plenum in a building. Plenum-rated cables are covered in fire-retardant plastic jacket to avoid the risk of toxic smoke being circulated around the building.



Question 40

A VLAN with a gateway offers no security without the addition of:


A. An ACL.

B. 802.1w.

C. A RADIUS server.

D. 802.1d.

  Correct Answer: A


A gateway in a VLAN connects to another network. The other network can be the Internet, another subnet on the network or another VLAN. The gateway will be a router and for security, it should also be a firewall.

A firewall is a system designed to prevent unauthorized access to or from a private network.

Firewalls are frequently used to prevent unauthorized Internet users from accessing private networks connected to the Internet, especially intranets. Firewalls use ACLs (access control lists) to determine which traffic is allowed through the firewall. All traffic entering or leaving the intranet passes through the firewall, which examines each message and blocks or allows the message depending on rules specified in the ACL. The rules in the ACL specify which combinations of source IP address, destination address in IP port numbers are allowed.


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