CCNA 1 Chapter 10 Revision Guide
Question 1
Which layer is routing a function of in the OSI model?
a) 1
b) 2
c) 3
d) 4
e) 5
f) 6
g) 7
Learn the functions of routing and how it is primarily done!!!
Question 2
What addressing systems are used in routing and which address is changed by the router when received on the interface?
Learn how addressing relates to the router and how packets are addressed!!!
Question 3
Which of the following would describe the function of a protocol? (Choose 2)
a) The format that a message must conform to
b) The number of hops a packet may take
c) The rules by which network administrators must cost out network components
d) The format that a message must conform to
e) The number of data items contained within a packet
Learn the functions of
protocols!!!
Question
4
Which of the following layers of the OSI model offers reliable, connection-oriented data communication services?
a) Session
b) Transport
c) Application
d) Physical
e) Network
f) Data Link
Learn how the OSI model is related to routers and routing!!!!
Question 5
Without some form of control a data packet could theoretically circle round a network endlessly, which of the following are technologies used to prevent this? (Choose 2)
a) Loopback control protocol
b) Time-to-live
c) Packet Age Determination Protocol (PADP)
d) Hop Counts
e) Cyclic Redundancy Checks
f) Anti-OPND Protocol (Old Packets Never Die)
Learn how the lifetime of data packets are controlled on a network!!!
Question 6
In the above diagram we can see a process going on as a packet travels from source to destination. Describe what is being shown on the diagram and why it is necessary.
Question 7
A router compares available routing table information to select the best path What is this indicative of? (Choose 1)
a) A router is attempting to find a specific user on the network
b) Path determination at the Network Layer
c) IP protocol determination at the Data Link Layer
d) Packet routing information for the next available switch
e) IPX protocol logging
Learn the metrics used to determine packet routes!!!!
Question 8
Which of the following are functions of a routing protocol? (Choose 3)
a) Exchange of topological information
b) When packets arrive at an interface, the router must use the routing table to determine where to send them
c) Provides processes for sharing route information
d) Defines the format and use of the fields within a packet
e) Allows routers to communicate with other routers to update and maintain the routing tables
Learn
the differences between routed and routing protocols and which are which!!!
Question 9
Name three metrics used with routing protocols and what they indicate
Learn about the purpose of metrics in a network
Question 10
Which of the following are link-state routing protocols? (Choose 2)
a) RIPv1
b) IGRP
c) OSPF
d) IS-IS
e) EIGRP
f) RIPv2
Learn about the functions of a
link-state protocol!!!!
Question 11
Name three major benefits of subnetting a network.
Learn why we would need to subnet in the
first instance!!!
Question 12
Given a host with the IP address 28.110.32.16 and a default subnet mask, to which network does the host belong?
a) 28.110.0.0
b) 28.110.32.12
c) 28.0.0.0
d) 28.110.32.13
e) 28.90.32.16
Learn how to work out network address
fields!!!
Question 13
Which statement/s is true regarding the process of subnetting?
a) Network bits are reassigned as host bits
b) Subnet bits are reassigned as network bits
c) Host bits are reassigned as network bits
d) Network bits are reassigned as subnet bits
e) Host bits are reassigned as subnet bits
Learn how subnetting actually divides
given IP addresses!!!
Question 14
A University has been given a class C network licence and needs to create 12 useable subnets, each subnet capable of accommodating at least 12 hosts. Which of the following is the appropriate subnet mask?
a) 255.255.255.0
b) 255.255.240.240
c) 255.255.255.240
d) 255.240.255.255
e) 255.255.255.192
f) None of the above, its not possible to have this many hosts on this many subnets on a class C network
Learn to subnet, and the terms used!!!
Question 15
How many bits are available for Class A host IP addresses using the default subnet mask?
a) 16
b) 24
c) 22
d) 48
e) 128
Question 16
Given the class C IP address 192.168.64.0 / 28, what is the custom subnet mask?
a) 255.255.255.0
b) 255.255.255.255
c) 255.255.225.140
d) 255.255.240.0
e) 255.255.255.240
Learn how subnets are commonly
represented!!
Question 17
How many useable subnets does applying the subnet mask 255.255.255.0 to a Class C network create?
a) 16
b) 24
c) 12
d) 18
e) 0
Good Luck On The Test!!!