Which of the following statements are true?
A.) Store and forward switching creates variable latency
through the switch
B.) Cut through switching creates variables latency through
the switch
C.) Cut through switching works at wire speed
D.) Store and forward switching works at wire speed
Which of the following is a valid extended IP access-list? A.) router(config)# access-list 101 permit tcp host 172.16.30.0 any eq 21 log B.) router# access-list 101 permit tcp host 172.16.30.0 any eq 21 log C.) router(config)# access-list 101 permit any any 172.16.30.0 D.) router(config)# access-list 101 permit ip host 172.16.30.0 any eq 21 log
What is the command for change serial cost?
Identify the hardware component used to store buffers, tables, running-configuration etc? A.) NVRAM B.) ROM C.) RAM D.) Flash
Inverse ARP serves what purpose? A.) Method for a local router to introduce itself to the remote end of the connection B.) Broadcast a routing table update C.) Identify MAC addresses if the IP address is known D.) Sent every 10 seconds used to verify the Frame Switch is still active
IP RIP routing is conferred on a router but not all interfaces attach to RIP networks. What should you use to prevent all RIP routing updates from being sent through selecedc interfaces without using access lists? A. passive route B. default routes C. passive interface D. route update filtering
Identify the 2 rules used when configuring a Distance Vector routing protocol? A.) Physically connected network(s) B.) Configure the classfull address, no subnets C.) Enable CDP so neighbors can be detected D.) Same autonomous network
What is an administrative distance of 0 mean? A.) 0 means unbelievable B.) 0 is for EIGRP C.) 0 is the default distance for directly connected networks D.) 0 means unreachable
A ISDN BRI circuit can be described as a which of the following? A.) 3B channels B.) 2-64Kbps B channels and 1-16Kbps D channel C.) none of the above D.) 2-64Kbps B channels and 1-16Kbps C channel
Which command, that is used to test address configuration, uses Time-To-Live (TTL) values to generate messages from each router. A. trace B. ping C. telnet D. bootp
What are the protocol data units (pdu) in ccna?
Which of the following is an invalid host address using a netmask of 255.255.255.192? A.) 10.1.1.1 B.) 10.1.1.66 C.) 10.1.1.130 D.) 10.1.1.127
Which layer is responsible for routing through an internetwork? A.) Physical B.) Session C.) Network D.) Transport E.) Application F.) Data Link