Computer Networking How often are BPDUs sent from a layer 2 device? Every 10 minutes Every 30 seconds Never Every 2 seconds Every 10 minutes Every 30 seconds Never Every 2 seconds ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The MAC (Media Access Control) address of the network card is used in both Ethernet and Token-Ring networks and is essential for communication. What does MAC provide? A physical address that is assigned by the manufacturer A physical address that is randomly assigned each time the computer is started The logical domain address for the workstation A logical address that identifies the workstation An alias for the computer name A physical address that is assigned by the manufacturer A physical address that is randomly assigned each time the computer is started The logical domain address for the workstation A logical address that identifies the workstation An alias for the computer name ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the followings is used in communications is referred to as unshielded twisted-pair (UTP)? Fiber-optic cable Coaxial cable Twisted-pair cable None of these Fiber-optic cable Coaxial cable Twisted-pair cable None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The communication mode that supports data in both directions at the same time is full-duplex simplex multiplex None of these half-duplex full-duplex simplex multiplex None of these half-duplex ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which statements are true regarding ICMP packets?1. ICMP guarantees datagram delivery.2. ICMP can provide hosts with information about network problems.3. ICMP is encapsulated within IP datagrams.4. ICMP is encapsulated within UDP datagrams. All of these 1 and 4 1 only 2 and 3 All of these 1 and 4 1 only 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The Acme Corporation is implementing dial-up services to enable remote-office employees to connect to the local network. The company uses multiple routed protocols, needs authentication of users connecting to the network, and since some calls will be long distance, needs callback support. Which of the following protocols is the best choice for these remote services? PPP 802.1 HDLC PAP Frame Relay PPP 802.1 HDLC PAP Frame Relay ANSWER DOWNLOAD EXAMIANS APP
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