Final Computer Network Quiz

52 Questions | By Makaras | Last updated: Feb 2, 2018 | Total Attempts: 54

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Computer networking is a branch of information technology, which studies the interconnection of several computers working together. Are you a networks guru? Take the quiz below and see how well informed you are. All the best.

Questions and Answers

1.

What is a function of the distribution layer in the hierarchical design model?
- A.
  
  To provide latency free switching
- B.
  
  To organize end devices in small manageable groups to provide connectivity using the high-speed backbone
- C.
  
  To organize end devices in small manageable groups
- D.
  
  To provide connectivity between smaller local networkstion 4
2.

Under what circumstance would it be appropriate to use private IP addresses?
- A.
  
  For communication between two ISPs
- B.
  
  For a network that is directly connected to the Internet
- C.
  
  For addresses that are used exclusively within an organization.
- D.
  
  For a host with more than one direct connection to the Internet
3.

What two commands can be used to form a new binding if client information does not agree with the DHCP client table? (Choose two.)
- A.
  
  Ipconfig /release
- B.
  
  Ipconfig /all
- C.
  
  Ipconfig /flushdns
- D.
  
  Ipconfig /renew
- E.
  
  Ipconfig
4.

What type of computer would most likely use a docking station?
- A.
  
  Laptop
- B.
  
  Server
- C.
  
  Desktop
- D.
  
  Mainframe
- E.
  
  Workstation
5.

For an IP address, what component decides the number of bits that is used to represent the host ID?
- A.
  
  Default-gateway
- B.
  
  Host number
- C.
  
  Network number
- D.
  
  Subnet mask
6.

What type of cable would be required to connect a Linksys router to a wired PC?
- A.
  
  Crossover cable
- B.
  
  Rollover cable
- C.
  
  Serial cable
- D.
  
  Straight-through cable
7.

A network technician suspects that malware on a user PC is opening multiple TCP connections to a specific foreign host address. Which Windows command line utility can be used to confirm the multiple TCP connections?
- A.
  
  Ping
- B.
  
  Netstat
- C.
  
  Tracert
- D.
  
  Ipconfig
- E.
  
  Nslookup
8.

A college network administrator is planning a wireless LAN to provide service in the student lounge and outdoor patio. The requirements include a range of at least 80 meters and a speed of 30 Mb/s. Which wireless LAN standard meets these requirements?
- A.
  
  802.11
- B.
  
  802.11a
- C.
  
  802.11b
- D.
  
  802.11g
9.

Which of the following statements best describes DNS?
- A.
  
  DNS servers are used to map an IP address to a physical address.
- B.
  
  DNS servers are used to map a name to an IP address.
- C.
  
  DNS servers are used to configure logical address information for host computers.
- D.
  
  DNS servers are used to translate from private addresses to public addresses.
10.

A network administrator has been notified that users have experienced problems gaining access to network resources. What utility could be used to directly query a name server for information on a destination domain?
- A.
  
  Ping
- B.
  
  Tracert
- C.
  
  Netstat
- D.
  
  Ipconfig
- E.
  
  Nslookup
11.

What is the purpose of pop-up blocker software?
- A.
  
  It detects and removes spyware.
- B.
  
  It detects and removes viruses.
- C.
  
  It prevents the display of advertisement windows.
- D.
  
  It removes unwanted e-mail.
12.

What data communication technology uses low-power radio waves to transmit data?
- A.
  
  Copper cable
- B.
  
  Fiber optic cable
- C.
  
  Wireless
- D.
  
  Radio
13.

What are two examples of peripheral input devices? (Choose two.) external modem
- A.
  
  Barcode reader
- B.
  
  Digital camera
- C.
  
  Plotter
- D.
  
  Printer
14.

Which portion of the packet does a router use to forward the packet to the destination?
- A.
  
  Source IP address
- B.
  
  User data
- C.
  
  Destination IP address
- D.
  
  Control information
- E.
  
  Destination MAC address
15.

Which two statements are true about local applications? (Choose two.)
- A.
  
  They run on the network.
- B.
  
  An example of a local application is e-mail.
- C.
  
  They are accessed from a remote computer.
- D.
  
  They are stored on the local hard disk.
- E.
  
  They run on the computer where they are installed.
16.

Which three address ranges can be used to depict private IP addresses? (Choose three.)
- A.
  
  10.0.0.0 to 10.0.0.255
- B.
  
  127.16.0.0 to 127.16.255.255
- C.
  
  150.150.0.0 to 150.150.255.255
- D.
  
  172.16.1.0 to 172.16.1.255
- E.
  
  192.168.22.0 to 192.168.22.255
- F.
  
  200.100.50.0 to 200.100.50.255
17.

Because of an increasing number of users, bandwidth per user on a WLAN has decreased to a point where users are complaining about poor performance. What can be done to improve the user experience?
- A.
  
  Increase the AP radio signal strength.
- B.
  
  Place the AP in a more central location.
- C.
  
  Deploy an external omni-directional antenna.
- D.
  
  Reduce the number of devices using each channel.
18.

How does a straight-through cable connect two unlike devices?
- A.
  
  It connects the receive pins on the first device to the receive pins on the second device.
- B.
  
  It connects the transmit pins on the first device to the receive pins on the second device.
- C.
  
  It disconnects the transmit pins and uses only the receive pins.
- D.
  
  It uses the same pins for transmitting and receiving.
19.

TCP/IP data transmission between the source and destination host is encapsulated in four steps: A. adds the data-link header and trailer; B. converts data to bits for transmission; C. adds the network IP address to the header of the packet; D. segments the data for end-to-end transport. What is the correct sequence of these steps?
- A.
  
  A, B, C, D
- B.
  
  A, D, B, C
- C.
  
  B, D, A, C
- D.
  
  D, C, A, B
- E.
  
  D, C, B, A
20.

When are leased lines typically used?
- A.
  
  When low bandwidth is required
- B.
  
  For home and small business connectivity
- C.
  
  When a dedicated digital data line is necessary
- D.
  
  As a less expensive option to cable and DSL modem service
21.

What are two ways that a user can interact with an operating system shell? (Choose two.)
- A.
  
  CLI
- B.
  
  OS
- C.
  
  GUI
- D.
  
  NIC
- E.
  
  Kernel
22.

Refer to the exhibit. H1 can ping H2, H3, and the Fa0/0 interface of router R1. H2 and H3 but not H1 can ping H4 and H5. What is a possible cause for the H1 failure?
- A.
  
  Router R1 has no route to the destination network.
- B.
  
  Switch S1 does not have an IP address configured.
- C.
  
  The link between router R1 and switch S2 has failed.
- D.
  
  Host H1 does not have a default gateway configured.
23.

After issuing the ipconfig/all command on a host that has DHCP enabled, a network administrator notes that the output contains faulty IP configuration information. What is the first step the administrator should take to resolve this issue?
- A.
  
  Replace the NIC in the host.
- B.
  
  Change the IP address of the DHCP server.
- C.
  
  Use static addressing to assign the correct IP address.
- D.
  
  Use the release and renew options supported by the ipconfig command.
24.

When terminating a UTP cable, why is it important to push the wires all the way into the end of the connector?
- A.
  
  To allow the cable to endure more stretching or twisting
- B.
  
  To ensure good electrical contact
- C.
  
  To ensure that the wires are in correct order
- D.
  
  To minimize crosstalk
25.

Which network design layer provides a connection point for end user devices to the network?
- A.
  
  Access
- B.
  
  Core
- C.
  
  Distribution
- D.
  
  Network