What is the name of the computer based EMMS that provides a common forum where users can check in at their convenience, post messages, actively exchange ideas and participate in ongoing discussions? Teleconferencing Videoconferencing None of these Bulletin board system (BBS) E-mail TRUE ANSWER : ? YOUR ANSWER : ?
Four routers have to be interconnected in a point-to-point Network. Each pair of root us may connected by a high-speed line, a medium speed line or a low speed line. Find the total number of topologies. 729 12 48 81 ARP.EXE 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 VTP configuration on the switch is not updated for the new host. The host has an invalid MAC address. The router is not configured for the new host. TRUE ANSWER : ? YOUR ANSWER : ?
What is the result of segmenting a network with a bridge (switch)?1. It increases the number of collision domains.2. It decreases the number of collision domains.3. It increases the number of broadcast domains.4. It decreases the number of broadcast domains.5. It makes smaller collision domains.6. It makes larger collision domains. 1 and 5 2, 3 and 5 3, 4 and 6 1, 3 and 6 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following might be used by a company to satisfy its growing communications needs? concentrator All of these front-end processor controller multiplexer TRUE ANSWER : ? YOUR ANSWER : ?
What is Unicode? Supports only few characters Represents symbol or characters used in any langua Characters from A to Z Only few languages are supported TRUE ANSWER : ? YOUR ANSWER : ?
The physical layer, in reference to the OSI model, defines None of these All of these data link procedures that provide for the exchange of data via frames that can be sent and received the interface between the X.25 network and packet mode device the virtual circuit interface to packet-switched service TRUE ANSWER : ? YOUR ANSWER : ?
You have a network ID of 134.57.0.0 with 8 subnets. You need to allow the largest possible number of host IDs per subnet. Which subnet mask should you assign? 255.255.248.0 255.255.240.0 255.255.224.0 255.255.252.0 255.255.255.255 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following protocols uses both TCP and UDP? DNS Telnet SMTP FTP TRUE ANSWER : ? YOUR ANSWER : ?