The Network Layer

Please select all of the valid IP addresses

- 8.8.8.8 - 192.168.1.1

A ________ is where one network ends and another begins.

Demarcation Point

What happens to the TTL field of an IP datagram every time it reaches a router?

It decrements by 1

Which octet of the subnet mask 255.255.255.0 will tell the router the corresponding host ID?

The last octet

A typical routing table may contain which of the following?

- Total Hops - Destination Network

A single octet in an IP address represents what range of decimal numbers?

1-255

In binary, 1 +1 = _____.

10

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

192.168.1.0/24

How many bits long is a Autonomous System Number (ASN)?

32 bits

How many octets does a subnet mask have?

4

What is eight bits of data called?

8

Who is permitted to use non-routable address space?

Anyone

What does CIDR stand for?

Classless Inter-Domain Routing

The entirety of a packet at one layer becoming the payload section at another layer is known as ________.

Encapsulation

What protocol communicates data between routers representing the edges of autonomous systems?

Exterior gateway

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

Fragmentation

RFC stands for ______.

Request for Comments

Select examples of routing protocols

Routing Information Protocol

A subnet ID is calculated via a ________.

Subnet Mask

What is the purpose of an ARP response?

To let a computer broadcasting an ARP message know what MAC address to put into the destination hardware address field