Week 2 Quizzes

Calculate how many decimal numbers a 4-bit number can represent.

16

How many IP addresses does a class C network have?

254 addresses

How many octets does a subnet mask have?

4

A typical routing table may contain which of the following? Check all that apply.

Destination network Total hops

An ARP broadcast is sent to the special MAC address ________.

FF:FF:FF:FF:FF:FF

What is eight bits of data called?

Octet

A subnet ID is calculated via a ________.

subnet mask

Using CIDR notation, the subnet mask 255.255.255.0 would be written as _______.

/24

What will the operator 1 AND 1 return?

1

Which is a valid IP address?

128.42.64.78

Which of the following is a correct form of CIDR notation?

192.168.1.0/24

Computer A wants to send some data to computer B. Computer A knows that Computer B is not on its local network, so it sends the packet to the router between Network A and Network B. Based on how many network hops have happened, how much will the TTL field be decremented by?

2

Please select all of the valid IP addresses. Check all that apply.

8.8.8.8 192.168.1.1

What protocol is used to discover the hardware address of a node with a certain IP address?

ARP table

What does CIDR stand for?

Classless Inter-Domain Routing

What is the process of taking a single IP datagram and splitting it up into several smaller datagrams called?

Fragmentation

What type of network address space allows for nodes on a network to communicate with each other, but prevents any gateway router from forwarding traffic there, and are reserved for internal networks?

Non-routable address space

Ranges of IP addresses that anyone can use for their internal networks are known as ______.

Nonroutable Address Space

What is the process of taking a large network and splitting it up into many individual and smaller subnetworks called?

Subnetting

A router is performing basic routing functions. What will be the third step in the transmission of a packet?

The router looks up the destination network in its routing table.

TTL stands for _______.

Time To Live

Who is permitted to use non-routable address space?

anyone