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.

New worksheetPractise online with hints

For teachers: free to print, copy and use in class. Every new worksheet has new values and its own answer key. A link to ExamProblems on your course page is appreciated.

Name: ____________________   Date: ____________

1.Easy

What is throughput?

  1. AThe rate at which data is actually delivered successfully
  2. BThe number of routers on a path
  3. CThe time a packet takes to cross a link
  4. DThe theoretical maximum rate a link can carry under ideal conditions
2.Easy

Which IPv4 address is the standard loopback address of a host?

  1. A192.168.0.1
  2. B127.0.0.1
  3. C0.0.0.0
  4. D255.255.255.255
3.Easy

Which device simply repeats every incoming signal out of all its other ports?

  1. AA hub
  2. BA router
  3. CA firewall
  4. DA switch
4.Medium

Which IPv4 header field stops packets from circulating forever in a routing loop?

  1. AType of service
  2. BTime to live (TTL)
  3. CIdentification
  4. DHeader checksum
5.Medium

What does ARP do?

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

Which metric does RIP use to choose routes?

  1. AMeasured delay
  2. BLink bandwidth
  3. CHop count
  4. DBusiness policy
7.Hard

Hosts in VLAN 10 and VLAN 20 on the same switch cannot communicate. What is needed?

  1. AA router or layer 3 switch to route between the VLANs
  2. BA hub connected to both VLANs
  3. CThe same MAC address on both hosts
  4. DA longer cable between the hosts
8.Hard

Which routing protocol is a link-state protocol?

  1. ABGP
  2. BOSPF
  3. CARP
  4. DRIP

Answer key

  1. 1. A · The rate at which data is actually delivered successfully
  2. 2. B · 127.0.0.1
  3. 3. A · A hub
  4. 4. B · Time to live (TTL)
  5. 5. A · Finds the MAC address that belongs to an IP address on the local network
  6. 6. C · Hop count
  7. 7. A · A router or layer 3 switch to route between the VLANs
  8. 8. B · OSPF

Full step-by-step solutions: practise this topic on examproblems.com.