A.during high traffic periods
B.after broken links are re-established
C.when upper-layer protocols require high reliability
D.in an improperly implemented redundant topology
E.when a dual ring topology is in use
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A.TFTP server, Flash, NVRAM
B.ROM, NVRAM, TFTP server
C.NVRAM, TFTP server, ROM
D.Flash, TFTP server, ROM
E.Flash, NVRAM, ROM
A.Filtering can occur based on Layer 3 information.
B.Broadcasts are eliminated.
C.Routers generally cost less than switches.
D.Broadcasts are not forwarded across the router.
E.Adding a router to the network decreases latency.
A.The PC has connectivity with a local host.
B.The PC has connectivity with a Layer 3 device.
C.The PC has a default gateway correctly configured.
D.The PC has connectivity up to Layer 5 of the OSI model.
E.The PC has the TCP/IP protocol stack correctly installed.
A.It creates a global address pool for all outside NAT transactions.
B.It establishes a dynamic address pool for an inside static address.
C.It creates dynamic source translations for all inside local PAT transactions.
D.It creates a one-to-one mapping between an inside local address and an inside global address.
E.It maps one inside source address to a range of outside global addresses.
A.VLAN support
B.compression
C.authentication
D.sliding windows
E.multilink support
F.quality of service
最新試題
Which cisco ios command can help to determine the timing of various debug events,relative to each other,when you are debugging a complicated router issue?（）
A network administrator needs to configure a serial link between the main office and a remote location.The router at the remote office is a non-cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?（）
Which address is the IPV6 all-RIP-routers muticast group address that is used by RIPng as the destaion address?（）
If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?（）
While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）
What is the subnetwork address for a host with the IP address 201.100.5.68/28?（）
Which name describes an IPV6 host-enable tunneling technique that uses IPV4 UDP,does not require dedicated gateway tunnels,and can pass through existing IPV4 NAT gateways?（）
Which command encrypts all plaintext passwords?（）
After the show ip route command has been entered,the follwing routes are displayed.Which route will not be entered into the routing table of a neighboring router?（）
Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?（）