1 A computer programmer is developing software that requires a reliable stream of data. Which protocol can be used in the software design to eliminate the need for building error detection and recovery into the application program?*** TCPIPICMPUDPHTTP2 Which of the following would an administrator do to defend against a denial of service SYN flooding…
1 Which ICMP message type notifies source hosts that a receiving host or network is not available?time exceededredirect*** destination unreachablesource quenchparameter problemecho reply2 Which two are true regarding the debug commands? (Choose two.)Debug commands may be issued from the user EXEC prompt.*** The command undebug all will turn off all debug operations.By default, the router…
1 Which layer protocols provide reliability for IP when needed?ICMP and ping RIP and TTL *** upper layer protocols *lower layer protocols Internet layer protocols network access layer protocols 2 How does ICMP improve data transfer reliability in IP networks?Each router in the path reads ICMP packets and uses the information to update routing tables.…
1 If the passive interface command is enabled on the fa0/0 interface of Router E, which statements are true? (Choose two.)Router E will send all routing updates via interface fa0/0. Router E will ignore all routing updates learned via interface fa0/0. *** Router E will use routing updates learned via interface fa0/0. **** Router E…
1 How does a router learn about routes to a network? (Choose three.)*** Information is gathered from its own configuration regarding directly connected networks. *Switches forward destination address information to each router. Hosts communicate destination network information to each router. *** Other routers forward information about known networks. **** Routes are entered manually by a…
1The commands shown in the graphic were entered to alter the startup sequence of the router. On the next reload, which IOS will be loaded?The router will load c2500-js-l.112-26d.The router will load c2500-d-l.120-9.The router will load the IOS from ROM.*** The router will boot into ROM monitor mode.* 2 Where does a router look for boot…
1 To obtain CDP information from a Cisco router that is not directly connected to the administrator’s console, what must happen?The source router must send TLV blocks to the remote router. *** The administrator can Telnet to a Cisco device that is connected to the remote router. *The administrator needs to issue the Router# show…
1 Why is it important to create standards for network consistency? (Choose three.)*** reduces network complexity *increases unplanned downtime *** limits unplanned downtime *increases bandwidth by regulating networking performance *** limits events that may impact network performance * 2 A telnet session can be established when using the IP address of a router but not…
1 What information about the router and its startup process can be gathered from the output of the show version command? (Choose three.)*** the last restart method *the tftp software version installed the amount of NVRAM and FLASH used *** the configuration register settings **** the location used for loading the IOS *2 What baud…
1 The console port can be used for which of the following? (Choose three.)*** debugging **** password recovery *routing data between networks *** troubleshooting *connecting one router to another 2 ABC Company just purchased three new routers to start their company network. Which items are needed to establish a terminal session between a PC and…