Question 1

A network engineer is designing a new network for a remote site. The remote site consists of ten desktop computers, ten VoIP phones, and two network printers. In addition, two of the desktop computers at the remote site will be used by managers who should be on a separate network from the other eight computers. Which of the following represents the BEST configuration for the remote site?

Accepted Answer

A)  One router connected to one 24-port switch configured with three VLANS; one for the manager's computers and printer, one for the other computers and printer, and one for the VoIP phones 
B)  Two routers with each router connected to a 12-port switch, with a firewall connected to the switch connected to the manager's desktop computers, VoIP phones, and printer 
C)  One router connected to one 12-port switch configured for the manager's computers, phones, and printer, and one 12-port switch configured for the other computers, VoIP phones, and printer 
D)  One router connected to one 24-port switch configured with two VLANS; one for the manager's computers, VoIP phones, and printer, and one for the other computers, VoIP phones, and printer

Question 2

An ARP request is broadcasted and sends the following request: "Who is 192.168.1.200? Tell 192.168.1.55" At which of the following layers of the OSI model does this request operate?

Accepted Answer

A)  Application 
B)  Data link 
C)  Transport 
D)  Network E: Session

Question 3

A network technician needs to install the latest firmware on the switch to address a recently discovered vulnerability. Which of the following should the technician do to have a rollback plan in case of issues with the new firmware? (Choose two.)

Accepted Answer

A)  Label the switch with IP address and firmware version 
B)  Draw the switchport diagram 
C)  Create a change management document 
D)  Draw the network rack logical diagram 
E)  Confirm standard operating procedures documentation
F) Create a performance baseline of the switch

Question 4

A technician has racked a new access switch and has run multimode fiber to a new location. After installing an extended-range 10Gb SFP in the core switch, the technician installed a 10Gb SFP in the access switch and connected the port to the new extension with a fiber jumper. However, the link does not display, and the technician cannot see light emitting from the core switch. Which of the following solutions is MOST likely to resolve the problem?

Accepted Answer

A)  Swap the fiber pairs in one of the SFPs 
B)  Replace the jumpers with single-mode fiber 
C)  Set the correct MTU on the new interface 
D)  Install an optic that matches the fiber type

Question 5

A network technician installs a new Layer 3 switch in the accounting office. Which of the following should the technician configure on the switch to enhance network security?

Accepted Answer

A)  Spanning tree 
B)  Access control list 
C)  QoS settings 
D)  Duplex settings

Question 6

Which of the following physical security devices is used to prevent unauthorized access into a datacenter?

Accepted Answer

A)  Motion detector 
B)  Video camera 
C)  Asset tracking 
D)  Smart card reader

Question 7

A technician is trying to configure a previously owned WAP. The technician successfully logs into the administrative console and attempts to input the IP address on the WAP. However, the WAP is not accepting the command. Which of the following is causing the problem?

Accepted Answer

A)  The WAP antenna is damaged 
B)  The WAP transmitter light is dim 
C)  The terminal emulation software is misconfigured 
D)  The LWAPP image is installed on the WAP

Question 8

A network technician notices a router that repeatedly reboots. When contacting technical support, the technician discovers this is a known problem in which an attacker can craft packets and send them to the router through an obsolete protocol port, causing the router to reboot. Which of the following did the network technician fail to do? (Choose two.)

Accepted Answer

A)  Generate new crypto keys. 
B)  Keep patches updated. 
C)  Disable unnecessary services. 
D)  Shut down unused interfaces. 
E)  Avoid using common passwords.
F) Implement file hashing.

Question 9

The network support team is responsible for managing connections in a large, multipurpose venue where maintaining physical security is difficult. Implementing which of the following standards would BEST help to prevent unauthorized connections to the wired network?

Accepted Answer

A)  802.1X 
B)  802.1q 
C)  802.3at 
D)  802.3af

Question 10

A VoIP system will require 23 concurrent voice channels and one signaling channel. Which of the following types of WAN service would provide the BEST connectivity to the PSTN?

Accepted Answer

A)  PRI 
B)  BRI 
C)  E1/E3 
D)  DSL

Question 11

Which of the following should be performed to verify that unnecessary services are disabled on all switches in an environment?

Accepted Answer

A)  Packet capturing 
B)  Port scanning 
C)  Log scanning 
D)  Baseline review

Question 12

A network technician is investigating reports of blocked downloads from a firewall. Which of the following should be used to determine which protocols are being blocked?

Accepted Answer

A)  Ping 
B)  Log review 
C)  Vulnerability scans 
D)  Alerts

Question 13

As part of a new datacenter upgrade project, the security manager has asked for additional physical security to prevent asset theft. Which of the following technologies should be implemented?

Accepted Answer

A)  Video surveillance 
B)  Motion detection alarms 
C)  Asset tracking tags 
D)  Locks on devices

Question 14

A network technician is coordinating the upgrade of the company's WAP firmware with all the remote locations. The company has occasionally experienced errors when transferring large files to some of the remote offices. Which of the following should be used to ensure files arrive without modifications?

Accepted Answer

A)  File hash 
B)  Encryption 
C)  FCS 
D)  Compression

Question 15

A company wants to provide its sales representatives with an easy-to-use method of securely connecting to the corporate network from any client network. Which of the following methods should the network technician implement?

Accepted Answer

A)  Allow RDP connections through the firewall. 
B)  Install VNC clients on the sales representatives' machines. 
C)  Create an SSL VPN for remote access to the network. 
D)  Place all servers in the publicly available DMZ.

Question 16

A technician is responsible for configuring a new firewall. The hardware team has already installed, powered, and connected the system. Which of the following types of documentation should the technician utilize to complete the task?

Accepted Answer

A)  Rack diagram 
B)  IDF/MDF documentation 
C)  Network performance baseline 
D)  Logical and physical diagrams

Question 17

A technician needs to manage a Linux-based system from the GUI remotely. Which of the following technologies should the technician deploy?

Accepted Answer

A)  RDP 
B)  SSH 
C)  VNC 
D)  Telnet

Question 18

A network administrator needs to create a network for 4,000 devices while conserving address space. Which of the following subnet masks should be used on this network?

Accepted Answer

A)  255.254.0.0 
B)  255.255.224.0 
C)  255.255.240.0 
D)  255.255.248.0 
E)  255.255.255.240

Question 19

A technician restored network connectivity on a user's laptop. After validating full system functionality, which of the following steps should the technician take NEXT?

Accepted Answer

A)  Duplicate the problem, if possible 
B)  Determine if anything has changed 
C)  Test the theory to determine the cause 
D)  Document the findings, actions, and outcomes

Question 20

A network administrator is downloading a large patch that will be uploaded to several enterprise switches simultaneously during the day's upgrade cycle. Which of the following should the administrator do to help ensure the upgrade process will be less likely to cause problems with the switches?

Accepted Answer

A)  Confirm the patch's MD5 hash prior to the upgrade. 
B)  Schedule the switches to reboot after an appropriate amount of time. 
C)  Download each switch's current configuration before the upgrade. 
D)  Utilize FTP rather than TFTP to upload the patch.

Exam 10: CompTIA Network+