Which IPv6 address is valid?
A network administrator is configuring the routers in the graphic for OSPF． The OSPF process has been started and the networks have been configured for Area 0 as shown in the diagram． The network administrator has several options for configuring RouterB to ensure that it will be preferred as the designated router (DR) for the 172．16．1．0 /24 LAN segment． What configuration tasks could be used to establish this preference?
Refer to the exhibit． A problem with network connectivity has been observed． It is suspected that the cable connected to switch port Fa0/9 on Switch1 is disconnected． What would be an effect of this cable being disconnected?
Refer to the exhibit A frame on vlan 1on switch s1 is sent to switch s2 when the frame is received on vlan 2,what causes this behavior?
What are two reasons that a network administrator would use access lists?
Which two commands correctly verify whether port security has been configured on port FastEthernet 0/12 on a switch?
A cisco router is booting and has just completed the POST process．It is now ready to find and load an IOSimage．what function does the router perform next?
You and a co-worker have established wireless communication directly between your wireless laptops． What type of wireless topology has been created?
Which type of attack is characterized by a flood of packets that are requesting a TCP connection to a server?
Refer to the graphic． R1 is unable to establish an OSPF neighbor relationship with R3． What are possible reasons for this problem?
Refer to the diagram． All hosts have connectivity with one another． Which statements describe the addressing scheme that is in use in the network?
Which layer in the OSI reference model is responsible for determining the availability of the receiving program and checking to see if enough resources exist for that communication?
What are three factors a network administrator must consider before implementing Netflow in the network?
The OSPF Hello protocol performs which of the following tasks?
Refer to the exhibit． Why does RouterA show multiple unequal cost paths to network 192．168．81．0/24?
The network shown in the diagram is experiencing connectivity problems． Which of the following will correct the problems?
Which two commands can be used to verify a trunk link configurationt status on a given cisco switch?
Based on the network shown in the graphic which option contains the potential networking problem and protocol or setting that can to prevent the problem?
Which protocol can cause overload on a CPU of a managed device?
Which command encrypts all plaintext passwords?