During startup, the router displays the following error message: boot: cannot open “flash:“ What will the router do next? Because of damaged flash memory, the router will fail the POST． It will attempt to locate the IOS from a TFTP server． If this fails, it will initiate the setup dialog． It will attempt to locate the IOS from a TFTP server． If this fails, it will load a limited IOS from ROM． It will attempt to locate the configuration file from a TFTP server． If this fails, it will initiate the setup dialog． It will attempt to locate the configuration file from a TFTP server． If this fails, it will load a limited configuration from ROM．

Refer to the exhibit． Hosts in network 192．168．2．0 are unable to reach hosts in network 192．168．3．0． Based on the output from RouterA, what are two possible reasons for the failure? [*] The cable that is connected to S0/0 on RouterA is faulty． Interface S0/0 on RouterB is administratively down． Interface S0/0 on RouterA is configured with an incorrect subnet mask． The IP address that is configured on S0/0 of RouterB is not in the correct subnet． Interface S0/0 on RouterA is not receiving a clock signal from the CSU/DSU．

When upgrading the IOS image, the network administrator receives the exhibited error message． What could be the cause of this error? [*] The new IOS image is too large for the router flash memory． The TFTP server is unreachable from the router． The new IOS image is not correct for this router platform． The IOS image on the TFTP server is corrupt． There is not enough disk space on the TFTP server for the IOS image．

What is the effect of using the service password-encryption command? Only the enable password will be encrypted． Only the enable secret password will be encrypted． Only passwords configured after the command has been entered will be encrypted． It will encrypt the secret password and remove the enable secret password from the configuration． It will encrypt all current and future passwords．

At which OSI layer is a logical path created between two host systems? session transport network data link physical

Refer to the exhibit． What kind of cable should be used to make each connection that is identified by the numbers shown? [*] 1 - Ethernet crossover cable 2 - Ethernet straight-through cable 3 - fiber optic cable 4 - rollover cable 1 - Ethernet straight-through cable 2 - Ethernet straight-through cable 3 - serial cable 4 - rollover cable 1 - Ethernet rollover cable 2 - Ethernet crossover cable 3 - serial cable 4 - null modem cable 1 - Ethernet straight-through cable 2 - Ethernet crossover cable 3 - serial cable 4 - rollover cable 1 - Ethernet straight-through cable 2 - Ethernet crossover cable 3 - serial cable 4 - Ethernet straight-through cable

Host 1 sends a request for a file to remote sever1． Which destination address does Host 1 place f the packet containing the request? [*] The Mac address of the NIC in Sever1 The IP address of Server 1． The MAC address of the s0/0/0 interface of router R2 The IP address of the s0/0/0 interface of router R1 The IP address of the Fa0/0 interface of router R1

This graphic shows the results of an attempt to open a Telnet connection to router ACCESS1 from router Remote27． Which of the following command sequences will correct this problem? [*] ACCESS1(config)# line console 0 ACCESS1(config-line)# password cisco Remote27(config)# line console 0 Remote27(config-line)# login Remote27(config-line)# password cisco ACCESS1(config)# line vty 0 4 ACCESS1(config-line)# login ACCESS1(config-line)# password cisco Remote27(config)# line vty 0 4 Remote27(config-line)# login Remote27(config-line)# password cisco ACCESS1(config)# enable password cisco

A network administrator is troubleshooting the OSPF configuration of routers R1 and R2． The routers cannot establish an adjacency relationship on their common Ethernet link． The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2． Based on the information in the graphic, what is the cause of this problem? [*] The OSPF area is not configured properly． The priority on R1 should be set higher． The cost on R1 should be set higher． The hello and dead timers are not configured properly． A backup designated router needs to be added to the network．

Refer to the exhibit． Which two statements are true about interVLAN routing in the topology that is shown in the exhibit? [*] Host E and host F use the same IP gateway address． Router1 and Switch2 should be connected via a crossover cable． Router1 will not play a role in communications between host A and host D． The FastEthernet 0/0 interface on Router1 must be configured with subinterfaces． The FastEthernet 0/0 interface on Router1 and Switch2 trunk ports must be configured using the same encapsulation type．

What three pieces of information can be used in an extended access list to filter traffic? protocol VLAN number TCP or UDP port numbers source switch port number source IP address and destination IP address

Refer to the exhibit． Hosts on the same VLAN can communicate with each other but are unable to communicate with hosts on different VLANs． What is needed to allow communication between VLANs? [*] a switch with a trunk link that is configured between the switches a router with an IP address on the physical interface that is connected to the switch a switch with an access link that is configured between the switches a router with subinterfaces configured on the physical interface that is connected to the switch

Which statement accurately describes a benefit provided by VTP? VTP allows routing between VLANs． VTP allows a single port to carry information to more than one VLAN． VTP allows physically redundant links while preventing switching loops． VTP allows switches to share VLAN configuration information．

What does the “Inside Global“ address represent in the configuration of NAT? the summarized address for all of the internal subnetted addresses the MAC address of the router used by inside hosts to connect to the Internet a globally unique, private IP address assigned to a host on the inside network a registered address that represents an inside host to an outside network

Refer to the exhibit． S0/0 on R1 is configured as a multipoint interface to communicate with R2 and R3 in this hub-and-spoke Frame Relay topology． While testing this configuration, a technician notes that pings are successful from hosts on the 172．16．1．0/24 network to hosts on both the 172．16．2．0/25 and 172．16．2．128/25 networks． However, pings between hosts on the 172．16．2．0/25 and 172．16．2．128/25 networks are not successful． What could explain this connectivity problem? [*] The ip subnet-zero command has been issued on the R1 router． The RIP v2 dynamic routing protocol cannot be used across a Frame Relay network． Split horizon is preventing R2 from learning about the R3 networks and R3 from learning about the R2 networks． The 172．16．2．0/25 and 172．16．2．128/25 networks are ov erlapping networks that can be seen by R1, but not between R2 and R3． The 172．16．3．0/29 network used on the Frame Relay links is creating a discontiguous network between the R2 and R3 router subnetworks．

The Frame Relay network in the diagram is not functioning properly． What is the cause of the problem? [*] The Gallant router has the wrong LMI type configured． Inverse ARP is providing the wrong PVC information to the Gallant router． The S3 interface of the Steele router has been configured with the frame-relay encapsulation ietf command． The frame-relay map statement in the Attalla router for the PVC to Steele is not correct． The IP address on the serial interface of the Attalla router is configured incorrectly．

Refer to the exhibit． Subnet 10．1．3．0/24 is unknown to router RTB． Which router command will prevent router RTB from dropping a packet destined for the 10．1．3．0/24 network if a default route is configured? [*] Which router command will prevent router RTB from dropping a packet destined for the 10．1．3．0/24 network if a default route is configured? [139*] ip classless ip default-network network 10．1．1．0 network 10．1．1．0 0．0．0．255 area 0

Host 1 sends an ICMP echo request to remote sever1． Which destination address does Host 1 place in the Layer2 header of the frame containing the ping packet? [*] The IP address of sever 1． The MAC address of NIC in sever 1． The IP address of F0/0 interface of router R1． The MAC address of the Fa0/0 interface of router R1． The IP address of the s0/0/0 interface of router R2

Why would a network administrator configure port security on a switch? to prevent unauthorized Telnet access to a switch port to limit the number of Layer 2 broadcasts on a particular switch port to prevent unauthorized hosts from accessing the LAN to protect the IP and MAC address of the switch and associated ports to block unauthorized access to the switch management interfaces over common TCP ports

What is the effect of the following access list condition? access-list 101 permit ip 10．25．30．0 0．0．0．255 any permit all packets matching the first three octets of the source address to all destinations permit all packets matching the last octet of the destination address and accept all source addresses permit all packets from the third subnet of the network address to all destinations permit all packets matching the host bits in the source address to all destinations permit all packets to destinations matching the first three octets in the destination address

Which of the following statements describe the network shown in the graphic? [*] There are two broadcast domains in the network． There are four broadcast domains in the network． There are six broadcast domains in the network． There are four collision domains in the network． There are seven collision domains in the network．