Google IT Support Certificate - Quiz 2 (Network Layer)
In a Class A address, the possible values for the first octet are:
0-127.
Which of the following IP address ranges have been defined as non-routable address space?Select all that apply.
10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16.
Which IP address is Class C? Select one.
192.37.48.98.
How many bits long is an Autonomous System Number (ASN)?
32 bits.
What does ARP stand for?
Address Resolution Protocol
Interior gateway protocols are used by routers in order to share information within a single...
Autonomous system.
What does CIDR stand for?
Classless Inter-Domain Routing
What protocol communicates data between routers representing the edges of autonomous systems?
Exterior gateway.
There are ____ octets in an IP address.
Four
What organization helps manage IP address allocation and autonomous system number allocation?
IANA
No matter where a device is used, what address will stay the same regardless of the network it is attached to?
MAC Address.
Ranges of IP addresses anyone can use for their internal networks are known as ______.
Non-routable address space.
What does RFC stand for?
Request For Comments
QoS services are protocols that allow routers to make decisions about which IP datagram may be more important than others. Under which IP header field would QoS details be found?
Service Type Field.
Generally, what are Class E IP addresses used for?
Testing
A router is performing basic routing functions. What is the third step in the transmission of a packet?
The router looks up the destination network in its routing table.
Why do entries in a local Address Resolution Protocol (ARP) table expire after a short amount of time?
To account for network changes
What is the purpose of an ARP response?
To let a broadcasting node know what is the MAC address to put into the destination hardware address field.
When describing blocks of IP addresses, what does CIDR do?
Uses subnet masks to demarcate networks.
What is eight bits of data called?
octet
