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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1.Easy

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

  1. AHTTP
  2. BARP
  3. CSMTP
  4. DSNMP
2.Easy

Which IEEE standard family defines wired Ethernet?

  1. AIEEE 802.5
  2. BIEEE 802.11
  3. CIEEE 802.16
  4. DIEEE 802.3
3.Easy

In networking, what does bandwidth usually refer to?

  1. AThe share of packets that are lost
  2. BThe maximum data rate a link can carry
  3. CThe delay before data arrives
  4. DThe number of hops to a destination
4.Medium

A browser receives HTTP status code 404. What does it mean?

  1. AThe request succeeded
  2. BThe server had an internal error
  3. CThe requested resource was not found
  4. DThe client must log in first
5.Medium

What is the usual order of messages when a client obtains an address from DHCP?

  1. ARequest, Offer, Discover, Acknowledge
  2. BDiscover, Offer, Request, Acknowledge
  3. CDiscover, Request, Offer, Acknowledge
  4. DOffer, Discover, Acknowledge, Request
6.Medium

How long does it take to put a 1500-byte packet onto a 12 Mbit/s link (transmission delay)?

  1. A8 ms
  2. B0.125 ms
  3. C12 ms
  4. D1 ms
7.Hard

A server's private key is stolen a year from now. Which TLS property keeps today's recorded sessions safe?

  1. ASending the certificate twice
  2. BForward secrecy from ephemeral Diffie-Hellman key exchange
  3. CUsing a longer domain name
  4. DCompressing the data before encryption
8.Hard

Which routing protocol is a link-state protocol?

  1. ARIP
  2. BARP
  3. COSPF
  4. DBGP

Answer key

  1. 1. A · HTTP
  2. 2. D · IEEE 802.3
  3. 3. B · The maximum data rate a link can carry
  4. 4. C · The requested resource was not found
  5. 5. B · Discover, Offer, Request, Acknowledge
  6. 6. D · 1 ms
  7. 7. B · Forward secrecy from ephemeral Diffie-Hellman key exchange
  8. 8. C · OSPF

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