Networking Questions Set 23:
Typically, the TCP port used by SMTP is _____
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Which transport layer protocol is used to support electronic mail?
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Automatic protection switching in a linear network is defined at the
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Which protocol is used to receive mail messages?
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What is the propagation time if the distance between the two points is 48,000 meters? Assume the propagation speed to be 2.4 × 10^8 meters/second in the cable.
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An analog signal has a bit rate of 6000 bps and a baud rate of 2000 baud. How many data elements are carried by each signal element?
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In the OSI network architecture, the responsibilities of the session layer include
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What are the main types of domains in the Domain Name System (DNS)?
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Consider an IP packet with a length of 4,500 bytes that includes a 20-byte IPv4 header and a 40-byte TCP header. The packet is forwarded to an IPv4 router that supports a Maximum Transmission Unit (MTU) of 600 bytes. Assume that the length of the IP header in all the outgoing fragments of this packet is 20 bytes. Assume that the fragmentation offset value stored in the first fragment is 0. The fragmentation offset value stored in the third fragment is ____.
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Routers forward a packet using forwarding table entries. If the network address of the incoming packet matches multiple entries, how do routers resolve this?
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