RS-449/442-A/423-A is None of these the ratio of the number of data units in error to the total number of data units a set of physical layer standards developed by EIA and intended to replace RS-232- 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 check bit appended to an array of binary digits to make the sum of the all the binary digits TRUE ANSWER : ? YOUR ANSWER : ?
If you get both local and remote echoes, every character you type will appear on the screen twice never three times None of these once TRUE ANSWER : ? YOUR ANSWER : ?
You get a call from a network administrator who tells you that he typed the following into his router:Router (config) #router ospf 1Router (config-router) #network 10.0.0.0 255.0.0.0 area 0He tells you he still can't see any routes in the routing table. What configuration error did the administrator make? The OSPF Process ID is incorrect. The OSPF area is wrong. The wildcard mask is incorrect. The AS configuration is wrong. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following are disadvantages of using NAT?1. Translation introduces switching path delays.2. Conserves legally registered addresses.3. Causes loss of end-to-end IP traceability.4. Increases flexibility when connecting to the Internet.5. Certain applications will not function with NAT enabled.6. Reduces address overlap occurrence. 2, 4 and 5 1, 3 and 5 1 and 3 3 and 4 TRUE ANSWER : ? YOUR ANSWER : ?
You need to gather the IP address of a remote switch that is located in Hawaii. What can you do to find the address? Issue the show ip route command on the router connected to the switch. Issue the show cdp neighbor command on the router connected to the switch. Issue the show ip arp command on the router connected to the switch. Issue the show cdp neighbors detail command on the router connected to the switch. TRUE ANSWER : ? YOUR ANSWER : ?
You connect a host to a switch port, but the new host cannot log into the server that is plugged into the same switch. What could the problem be? The switch port the host is connected to is not configured to the correct VLAN membership. The host has an invalid MAC address. The router is not configured for the new host. The VTP configuration on the switch is not updated for the new host. TRUE ANSWER : ? YOUR ANSWER : ?
Contention is the condition when two or more stations attempt to use the same channel at the same time a continuous frequency capable of being modulated or impressed with a second signal a collection of interconnected functional units that provides a data communications service among stations attached to the network One or more conductors that serve as a common connection for a related group of devices None of these TRUE ANSWER : ? YOUR ANSWER : ?
Data communications monitors available on the software market include ENVIRON/1 Telenet None of these TOTAL BPL TRUE ANSWER : ? YOUR ANSWER : ?
TCP is: Connection orientated and reliable Operates at the Data Link layer Connection orientated and unreliable None of these Connectionless and unreliable TRUE ANSWER : ? YOUR ANSWER : ?
The dialogue techniques for terminal use do not include form fillings open-ended questions menu display None of these questions and answers TRUE ANSWER : ? YOUR ANSWER : ?