Network layer addressing

A) is assigned by the network administrator B) uses addresses assigned by network card manufacturers C) uses port numbers defined by standard protocols D) uses port numbers that are randomly selected during the connection process

7.

The transport layer protocol TCP

A) provides congestion control by the receiver telling the server how much buffer space it has left B) provides flow control by throttling the sender if the network is overloaded C) provides for dedicated bandwidth and secure communication D) provides reliable transport between the sender and receiver processes

8.

In the DHCP protocol

A) Four messages are sent: Discover, Offer, Request and ACKnoweldgement B) One message is sent from the router to the client, as soon as it joins the network C) Three messages are sent, the SYN, the SYN,ACK and the ACK D) Two messages are sent - the DHCP request and the DHCP answer

9.

Ideally, a server

A) is a host that is always on and accepts requests from clients B) is a host that is only on when it is being used by an end-user C) is dynamically assigned an IP address so it can always get one wherever it is D) should be located outside of the data center for security reasons

10.

The TCP ACKnowledgement number

A) is based on the number of bits sent B) is based on the number of bytes sent C) is based on the number of packets sent D) is derived from the number of SYN packets that have been sent