RS-449/442-A/423-A is a check bit appended to an array of binary digits to make the sum of the all the binary digits the ratio of the number of data units in error to the total number of data units a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression the resulting expression will not conform to the rules of construction and a set of physical layer standards developed by EIA and intended to replace RS-232- None of these TRUE ANSWER : ? YOUR ANSWER : ?
Error detection at the data link level is achieved by Equalization Hamming Code Bit Stuffing Cyclic Redundancy Code TRUE ANSWER : ? YOUR ANSWER : ?
ICMP (Internet Control Message Protocol) is a protocol that handles error and control messages a TCP/IP high level protocol for transferring files from one machine to another a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address a protocol used to monitor computers None of these TRUE ANSWER : ? YOUR ANSWER : ?
What is the name of the network topology in which there are bi-directional links between each possible node? None of these Tree Star Ring Mesh TRUE ANSWER : ? YOUR ANSWER : ?
What does 224 translate to in binary? 11100000 None of these 11110000 11110 1111 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the address of the router? The default gateway None of these The subnet mask The IP address The TCP address TRUE ANSWER : ? YOUR ANSWER : ?
Terminals are used to None of these communicate management decisions to the physical system All of these provide information for the manager collect data from the physical system TRUE ANSWER : ? YOUR ANSWER : ?
Videotex is a combination of computer technology None of these All of these television communication TRUE ANSWER : ? YOUR ANSWER : ?
If the ASCII character H is sent and the character I is received, what type of error is this? burst recoverable multiple-bit single-bit TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is true when describing a multicast address? These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap. Packets are delivered to all interfaces identified by the address. This is also called a one-to-many address. Packets addressed to a unicast address are delivered to a single interface. Identifies multiple interfaces and is only delivered to one address. This address can also be called one-to-one-of-many. TRUE ANSWER : ? YOUR ANSWER : ?