The network administrator needs to address seven LANs． RIP version 1 is the only routing protocol in use on the network and subnet 0 is not being used． What is the maximum number of usable IP addresses that can be supported on each LAN if the organization is using one class C address block?
Acknowledgements, sequencing, and flow control are characteristics of which OSI layer?
An inbound access list has been configured on a serial interface to deny packet entry for TCP and UDP ports 21, 23 and 25． What types of packets will be permitted by this ACL?
Wich command can you use to manually assign a static IPV6 address to a router interface?
A router receives information about network 192．168．10．0/24 from multiple sources． What will the router consider the most reliable information about the path to that network?
What is the result of issuing the frame-relay map ip 192．168．1．2 202 broadcast command?
Which statement about vlan operation on cisco catalyst switches is true?
At which layer of the OSI model dose PPP perform?
Which two devices can interfere with the operation of a wireless network because they operate on similar frequencies?
What are two benefits of using a single OSPF area network design?
Which command shows your active Telnet connections?
Router A is unable to reach Router B．Both routers are running ios version 12．0．After reviewing the command output and graphic,what is the most likely cause of the problem?
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?
Refer to the exhibit． What is the most efficient summarization that R1 can use to advertise its networks to R2?
A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network． From this statement, what is known about the network interface port?
The command frame-relay map ip 10．121．16．8 102 broadcast was entered on the router． Which of the following statements is true concerning this command?
Which switch would STP choose to become the root bridge in the selection process?
Refer to the exhibit． Explain how the routes in the table are being affected by the status change on interface Ethernet0．
Refer to the graphic． How many collision domains are shown?
Refer to the exhibit． Why are two OSPF designated routers identified on Core_Router?