Which item represents the standard IP ACL?
A. access-list 50 deny 192.168.1.1 0.0.0.255
B. access-list 110 permit ip any any
C. access-list 2500 deny tcp any host 192.168.1.1 eq 22
D. access-list 101 deny tcp any host 192.168.1.1
What is one benefit of PVST+?
A. PVST+reduces the CPU cycles for all the switches in the network
B. PVST+automatically selects the root bridge location,to provide optimiz…
C. PVST+allow the root switch location to be optimized per vlan.
D. PVST+supports Layer 3 load balancing without loops.
The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router.Which
of the following statement is true concering this command?
A. The broadcast option allows packets,such as RIP updates,to be forwarded access the PVC.
B. The command shoud be executed from the goble configuration mode.
C. 102 is he remote DLCI that will recive the information.
D. The ip address 10.121.16.8 is the local router port used to forward date.
E. This command is required for all Frame Rely configurations
Refer to the exhibit,how many interfaces on R1 should be configured as ip nat inside to grant external
access to the entire….?
R1下面的端口分为了两个子端口,在两个子端口上设置ip nat inside
Which can be done to secure the virtual terminal interfaces on a router?(choose two)
A. istratively shut down the interfaces.
B. Physically secure the interfaces.
C. Configure a virtual terminal password and login process.
D. Enter an access list and apply it to the terminal interfaces using the access-class command.
E. Create an access list and apply it to the terminal interfaces using the access-group command. Answer: CD
Refer to the exhibit,a network istrator cannot establish a telnet session with the indicated router.What
is the cause of this failure?