Question

The average queuing delay increases as the traffic intensity increases.

True

False

The Date: header line in the HTTP response message indicates when the object in the response was last modified.

True

False

Both DNS and HTTP normally run over TCP.

True

False

In a client-server application, clients do not communicate with each other directly.

True

False

A socket is an interface between the application process and the transport layer protocol within a host.

True

False

Two core functions in network layer are routing and forwarding.  

True

False

UDP uses port numbers of both source and destination for demultiplexing.

True

False

Internet cannot provide throughput guarantee for bandwidth-sensitive applications.

True

False

In HTTP, cookie is created on client’s host, managed by client’s browser.

True

False

Packet loss occurs when the sending host cannot send out all packets to the communication link.

True

False

Answer 1

Q1 The average queuing delay increases as the traffic intensity increases.

ANS - True

Explain : A traffic intensity better than unique erlang means that the degree at which bits reach surpasses the rate bits container be conveyed and queuing delay will grow deprived of certain (if the traffic intensity breaks the similar).

Q2 Both DNS and HTTP normally run over TCP.

ANS - True

explain -HTTP uses TCP as requirements a dependable delivery facility fundamental. DNS uses TCP for Region transmission and UDP for designation enquiries either even or opposite important.

Q3 In a client-server application, clients do not communicate with each other directly.

ANS - True

explain - A client prepares not part any of its capitals, but its requirements gratified or facility from a server.

Q4 Two core functions in network layer are routing and forwarding.  

ANS - True

Explain - forwarding -move packs from router’s contribution to suitable router production

routing: control route occupied by packs from basis to dest.

Q5 Packet loss occurs when the sending host cannot send out all packets to the communication link.

ANS - True

Explain -When unique or more of these packages fails to spread its envisioned purpose, this is named packet loss.