CCNA1 Chapter 5 Practice Test Answers

 

Which layer of the OSI model is the network layer?

 

What name is given to a device that has an IPv4 address?

 

 

The network layer PDU is called

 

 

Which addresses are added during encapsulation at the network layer? Choose all that apply.

 

 

An IPv4 address can be broken down into two parts. These are

 

 

What information from a packet does a router use in order to choose a route for forwarding the packet?

 

 

What name is given to one stage of a packetís journey as it moves from one router to the next?

 

 

Which statements are true of IPv4? Choose all that apply.

 

 

What contact does IPv4 make with the destination before sending a packet?

 

 

Which function is the responsibility of the network layer?

 

Encoding signals to put them on the transport medium.

Re-sending packets that have been lost in transmission.

Finding the best route for a packet to travel to its destination.

Managing the access of hosts to the transport medium.

 

How many bits make up an IPv4 address?

 

 

 

 

 

 

 

Refer to the diagram. What should be configured as the default gateway for host A?

 

 

Refer to the diagram. What is the address of the network that host D is on?

 

 

Refer to the diagram. If the default gateway configured on host A is wrong, what is the likely effect?

 

 

 

 

 

 

 

 

 

Refer to the diagram. A packet header has destination IP address 192.168.5.4 and source IP address 192.168.7.60. Which workstation originated the packet?

 

 

Refer to the diagram. A packet header has destination IP address 192.168.5.4 and source IP address 192.168.7.60. Which workstation should receive the packet?

 

 

Refer to the diagram. Host A is sending a packet addressed to host F. What will the router do?

 

 

 

 

 

 

 

 

Refer to the diagram. The router receives a packet addressed to 192.168.6.24. What will the router do? (Choose 2 options.)

 

 

Why may a router have more than one IP address?

 

 

Which is true of static routing?

 

 

Which field in the IP packet header allows some packets to have priority over others?

 

 

Which field in the IP packet header allows checking for data transmission errors?

 

 

Which field in the IP packet header is used to prevent undeliverable packets from circulating endlessly?

 

 

When would a PC need a default gateway address?

 

 

What is a broadcast message?

 

 

Which device can limit the spread of broadcasts?

 

 

Which is true of dynamic routing?

 

 

What do routers use to share routing information and keep their routing tables up to date?

 

 

 

 

 

 

 

 

 

Part of the routing table of Router A is shown above. Which statements are true? (Select 3 options)