Computer Networks MCQs
998+ questions with answers
Which of these is not applicable for IP protocol?
Which of the following demerits does Fragmentation have?
Which field helps to check rearrangement of the fragments?
Which of these is not applicable for IP protocol?
Which of the following demerits does Fragmentation have?
Which field helps to check rearrangement of the fragments?
In classless addressing, there are no classes but addresses are still granted in ______
In IPv4 Addresses, classful addressing is replaced with ________
In classful addressing, a large part of available addresses are ________
Network addresses are a very important concept of ________
Which of this is not a class of IP address?
The size of an IP address in IPv6 is _________
The header length of an IPv6 datagram is ___________
In the IPv6 header, the traffic class field is similar to which field in the IPv4 header?
IPv6 does not use _________ type of address.
Which among the following features is present in IPv6 but not in IPv4?
The _________ field determines the lifetime of IPv6 datagram
Suppose two IPv6 nodes want to interoperate using IPv6 datagrams, but they are connected to each other by intervening IPv4 routers. The best solution here is ________
Teredo is an automatic tunneling technique. In each client the obfuscated IPv4 address is represented by bits ______
Dual-stack approach refers to _________
Suppose two IPv6 nodes want to interoperate using IPv6 datagrams, but they are connected to each other by intervening IPv4 routers. The best solution here is ________
Teredo is an automatic tunneling technique. In each client the obfuscated IPv4 address is represented by bits ______
A link local address of local addresses is used in an _______
In subcategories of reserved address in IPv6, address that is used by a host to test itself without going into network is called _________
In IPv6 addresses, addresses that start with eight 0s are called ________
Which statement(s) about IPv6 addresses are true?
When was IPv6 launched?
Which layer is responsible for process-to-process delivery?
In process-to-process delivery, two processes communicate in which of the following methods?
Multiple processes on destinations at transport layer are identified by __________
Range of port numbers in Internet model is __________
According to Internet Assigned Numbers Authority (IANA), which of the following ranges is not a part of port number ranges?
Which of the following is false with respect to Connectionless service of transport layer protocol?
Correct order in the process of Connection-Oriented services is ________ i. Data transfer ii. Connection release iii. Connection establishment
In transport layer, Multiplexing is done at _________
The process of error checking and dropping of the header, delivering messages to appropriate process based on port number is called as _______
Internet Control Message Protocol (ICMP) has been designed to compensate _________
Header size of the ICMP message is _________
During error reporting, ICMP always reports error messages to ________
Which of these is not a type of error-reporting message?
ICMP error message will not be generated for a datagram having a special address such as _______
The source-quench message in ICMP was designed to add a kind of ____________ to the IP.
In case of time exceeded error, when the datagram visits a router, the value of time to live field is _________
Two machines can use the timestamp request and timestamp replay messages to determine the ___________ needed for an IP datagram to travel between them.
During debugging, we can use the ____________ program to find if a host is alive and responding.
In a simple echo-request message, the value of the sum is 01010000 01011100. Then, value of checksum is ___________
Which mail access protocol is used for sending emails across the internet?
Which of the following port is used by clients to connect using IMAP securely?
Which of the following is the default POP3 port number?