True or False, Why? c) Suppose a process in Host A has a UDP socket with port nu

Question

True or False, Why?

c) Suppose a process in Host A has a UDP socket with port number 5260, all UDP segments received by
Host A with destination port number 5260 will be directed to this same socket.
d) Suppose that a Web server runs in Host A on port 80, all TCP segments received by Host A with
destination port number 80 will be directed to this same socket.
e) Suppose a web page consists of a base HTML file and 5 JPEG images, and that all 6 of these objects
reside on the same server. To retrieve this web page, a web client needs to send out only one HTTP
request.
f) Some router can have more than two IP addresses.
g) When a host connects to a new network, its network interface card (NIC) always obtains a new MAC
address.
h) The IEEE 802.11 frame has the same structure as Ethernet frame.
i) Two keys are used in public key systems: public key and private key. The public key is used for
encryption and the private key is used for decryption.

Explanation / Answer

c) Suppose a process in Host A has a UDP socket with port number 5260, all UDP segments received by
Host A with destination port number 5260 will be directed to this same socket. True
d) Suppose that a Web server runs in Host A on port 80, all TCP segments received by Host A with
destination port number 80 will be directed to this same socket. True
e) Suppose a web page consists of a base HTML file and 5 JPEG images, and that all 6 of these objects
reside on the same server. To retrieve this web page, a web client needs to send out only one HTTP
request. True
f) Some router can have more than two IP addresses. True
g) When a host connects to a new network, its network interface card (NIC) always obtains a new MAC
address. False
h) The IEEE 802.11 frame has the same structure as Ethernet frame. True
i) Two keys are used in public key systems: public key and private key. The public key is used for
encryption and the private key is used for decryption True

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