Computer networks worksheet with answers

What does a packet header mainly contain?

1. AControl information such as source and destination addresses
2. BThe website's text and images
3. CThe cable type used for the link
4. DThe user's actual file contents, split into equal-sized pieces

What does "latency" mean in networking?

1. AThe error rate of a cable
2. BThe number of devices on a network
3. CThe maximum amount of data per second that a link can carry
4. DThe delay for data to travel from source to destination

In networking, a protocol is:

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

What is the network address of the host 192.168.10.77/26?

1. A192.168.10.64
2. B192.168.10.0
3. C192.168.10.128
4. D192.168.10.76

Which host is in the same /16 subnet as 10.1.2.3?

1. A10.2.2.3
2. B10.0.2.3
3. C11.1.2.3
4. D10.1.200.5

How does a stateful firewall differ from a simple packet filter?

1. AIt tracks connections and allows replies that belong to established sessions
2. BIt blocks all incoming traffic without exceptions, including replies to outgoing requests
3. CIt only checks the MAC address of each frame
4. DIt encrypts every packet it forwards

Which mechanism prevents broadcast loops in a network with redundant switch links?

1. AARP caching
2. BSpanning Tree Protocol
3. CNAT
4. DDHCP snooping

An 8-port switch (no VLANs) has one host on each port. How many collision domains and broadcast domains are there?

1. A8 collision domains, 1 broadcast domain
2. B1 collision domain, 8 broadcast domains
3. C1 collision domain, 1 broadcast domain
4. D8 collision domains, 8 broadcast domains