Synchronous protocols
What is the maximum number of entries in the HOSTS file?
The communication mode that supports data in both directions at the same time is
An error-detecting code inserted as a field in a block of data to be transmitted is known as
The cheapest modems can transmit
Which of the following is an advantage to using fiber optics data transmission?
Which of the following statement is incorrect?
Which of the following communications service provides message preparation and transmission facilities?
Four bits are used for packet sequence numbering in a sliding window protocol used in a computer network. What is the maximum window size?
What is the default subnet mask for a class A network?
Which of the following device is used to connect two systems, especially if the systems use different protocols?
You have a class A network address 10.0.0.0 withsubnets, but are required to addnew subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign?
To make possible the efficient on-line servicing of many teleprocessing system users on large computer systems, designers are developing
Which of the following best describes the scopes on each DHCP server, in the absence of configuration problems with DHCP addresses, if you use multiple DHCP servers in your environment?
What is the port number for NNTP?
Contention is
A T-switch is used to
An anticipated result from multiprogramming operations is:
Who originally designed TCP/IP?
What is the usual number of bits transmitted simultaneously in parallel data transmission used by microcomputers?
Data are sent over pin _____ of the EIA-interface.
To set up a bulletin board system you need
When using the loopback address, if TCP/IP is installed correctly, when should you receive a response?
The synchronous modems are more costly than the asynchronous modems because
What are the most commonly used transmission speeds in BPS used in data communication?
Eight stations are competing for the use of a shared channel using the 'Adaptive tree Walk Protocol'. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?
The Internet Control Message Protocol (ICMP)
Avalanche photodiode receivers can detect hits of transmitted data by receiving
The geostationary satellite used for communication systems
How many bits internet address is assigned to each host on a TCP/IP internet which is used in all communications with the host?
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