Computer networks worksheet with answers

Free printable Computer networks worksheet: 8 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

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Name: ____________________   Date: ____________

1.Easy

Which application protocol is used to request web pages from a web server?

  1. AARP
  2. BHTTP
  3. CSNMP
  4. DSMTP
2.Easy

What does LAN stand for?

  1. ALogical address number
  2. BLocal area network
  3. CLinked application node
  4. DLarge access network
3.Easy

How is an IPv6 address usually written?

  1. ASixteen decimal numbers separated by dots
  2. BFour decimal numbers separated by dots
  3. CEight groups of four hexadecimal digits separated by colons
  4. DSix pairs of hexadecimal digits separated by dashes or colons
4.Medium

Which medium access method did classic shared (half-duplex) Ethernet use?

  1. ACSMA/CD
  2. BToken passing
  3. CTDMA
  4. DCSMA/CA
5.Medium

What does ARP do?

  1. ARoutes packets on the internet
  2. BResolves domain names
  3. CAssigns IP addresses automatically to hosts when they join the local network
  4. DFinds the MAC address that belongs to an IP address on the local network
6.Medium

Which TCP flag signals that a sender has finished sending data?

  1. ASYN
  2. BFIN
  3. CPSH
  4. DURG
7.Hard

Which routing protocol is a link-state protocol?

  1. ARIP
  2. BBGP
  3. COSPF
  4. DARP
8.Hard

Why does a browser warn when a site presents a self-signed certificate?

  1. ASelf-signed certificates use no encryption at all, so the traffic is sent in clear text
  2. BThe certificate is always expired
  3. CThe site must be using HTTP instead of HTTPS
  4. DNo trusted certificate authority vouches that the key belongs to that site

Answer key

  1. 1. B · HTTP
  2. 2. B · Local area network
  3. 3. C · Eight groups of four hexadecimal digits separated by colons
  4. 4. A · CSMA/CD
  5. 5. D · Finds the MAC address that belongs to an IP address on the local network
  6. 6. B · FIN
  7. 7. C · OSPF
  8. 8. D · No trusted certificate authority vouches that the key belongs to that site

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