Computer networks worksheet with answers

Which protocol automatically gives devices an IP address on a local network?

1. ASMTP
2. BDHCP
3. CFTP
4. DDNS

In networking, a protocol is:

1. AA set of rules for the format and order of messages
2. BA list of all devices on a network
3. CA program that blocks viruses
4. DA physical cable between two devices

Which type of cable carries data as pulses of light?

1. AShielded copper cable
2. BCoaxial cable
3. CFibre-optic cable
4. DTwisted-pair cable

TLS provides which security properties for HTTPS?

1. AProtection against all malware and phishing on the visited site
2. BConfidentiality, integrity and server authentication
3. COnly faster loading
4. DAnonymity of the user

What uniquely identifies one end of a TCP connection on the internet?

1. AA MAC address alone
2. BA domain name alone
3. CAn IP address together with a port number
4. DA subnet mask and gateway

HTTP is stateless. How do websites usually keep a user logged in across requests?

1. AWith cookies holding a session identifier or token
2. BBy storing the password in the URL
3. CBy giving each user a fixed IP address
4. DBy keeping the TCP connection open for days

By the Nyquist formula, what is the maximum bit rate of a noiseless 3 kHz channel using 4 signal levels?

1. A24 kbit/s
2. B3 kbit/s
3. C6 kbit/s
4. D12 kbit/s

Which routing protocol is a link-state protocol?

1. ARIP
2. BBGP
3. CARP
4. DOSPF