The Wire (1969) Quiz

Exam-prep questions for the The Wire (1969) track of the Terminal Academy. Work a Linux host's network stack from the command line: interfaces, /etc/hosts, DNS resolution, routes, ports and packet captures.

This category currently has 60 questions in the SERVBG quiz bank. Below are a few sample questions: the full interactive quiz shuffles through the whole set with instant scoring.

Sample questions

At which layer of the OSI model do routers primarily operate to make forwarding decisions based on IP addresses?

Layer 4, the Transport layer
Layer 2, the Data Link layer
Layer 1, the Physical layer
Layer 3, the Network layer
Layer 7, the Application layer

At which OSI layer does a standard Ethernet switch forward frames using MAC addresses?

Layer 1, the Physical layer
Layer 5, the Session layer
Layer 2, the Data Link layer
Layer 3, the Network layer
Layer 4, the Transport layer

How many bits make up a standard Ethernet MAC address?

48 bits
64 bits
128 bits
16 bits
32 bits

What does the Address Resolution Protocol (ARP) do on an IPv4 local network segment?

It encrypts traffic between two hosts on the same segment
It resolves a domain name to an IPv4 address
It assigns IP addresses automatically to new hosts
It resolves a known IPv4 address to the corresponding MAC address of the device on the same segment
It routes packets between two different networks

Which port number is the well-known default for unencrypted HTTP web traffic?