Chapter 8 Quiz

Question 1 of 5

What layer comprises a network engineer’s core duties and responsibilities?

 A. Application

 B. Data Link

 C. Network

 D. Physical

Question 2 of 5

What is the Network Layer’s main purpose?

 A. to increase Ethernet speed and performance

 B.to deliver datagrams from one layer to another

 C. to encrypt datagrams

 D. to decrypt datagrams attained at higher levels so they can be red by lower levels

Question 3 of 5

What kind of Network Layer protocols assign the formatting for data being sent across networks along with IP and sub-IP protocols?

 A. routing

 B. router

 C. routed

 D. route

Question 4 of 5

What is the primary purpose of routers?

 A. figuring out which of its connections will transport a datagram to a given destination in the best and most efficient way

 B. encrypting and decrypting packets before sending them to their destinations

 C. formatting packets and the protocols attached to those packets before they are sent to their respective destinations

 D. receiving datagrams from higher levels that will later be sent to lower levels

Question 5 of 5

Choose the option that best explains the function of routing tables in the process of routing of a packet.

 A. First, a router creates a datagram. The router then extracts the packet’s destination address. Using the routing table and the extracted address, the router figures out the best and most efficient interface port for the packet to be sent.

 B. First, a router receives a forwarded datagram. The router then extracts the packet’s destination address. Using the routing table and the extracted address, the router figures out the best and most efficient interface port for the packet to be sent.

 C. First, a router creates a datagram. The router then creates the packet’s destination address. Using the routing table and the created address, the router figures out the best and most efficient interface port for the packet to be sent.

 D. First, a router creates a datagram. The router then labels the packet with a return address. Then, the router selects the address of the best, most efficient interface port for the packet to be sent.

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