有限责任公司的权力机构是（)。A．股东会B．董事会C．职工代表大会D．监事会

A. Two switches are connected via a trunk. Both switches have been assigned an IP address, subnet mask, and default gateway. A ping is successful between the two switches. However, VLAN information is not passed from one switch to the other switch.

B. A router and a switch have been assigned an IP address, a subnet mask, and a default gateway. They are directly connected, but a ping between the two devices fails.

C. A router connects to another router through a serial interface. Both routers have been assigned an IP address, subnet mask, and default gateway. The routers are running RIP and the networks directly connected to the first router do not pass to the second router. However, a ping from one router to the serial interface of the directly connected neighboring router is successful.

D. A router connects to another router via a switch. Both routers and the switch have been assigned an IP address, subnet mask, and default gateway. Neither the routers nor the switch are able to ping one of the hosts that is directly to the switch.

A. incorrect DSL network redistribution

B. incorrect static host route configuration

C. incorrect static customer route configuration

D. incorrect default static route configuration on the end user

A．user@router# ping 10.10.10.1

B． user@router# run ping 10.10.10.1

C． user@router> ping 10.10.10.1

D． user@router> request ping 10.10.10.1

A．netstat

B．ping

C．route

D．router

A. The count parameter creates a counter that you can view with the show firewall command

B. The count parameter allows the router to count the number of pings for logging purposes

C. The count parameter allows the router to pause for 10000 seconds before sending out a ping

D. The count parameter allows the router to send out 1000 pings and then stop

A.send a unicast ARP packet to the DSL modem/router

B.send unicast ICMP packets to the DSL modem/router

C.send Layer 3 broadcast packets to which the DSL modem/router responds

D.send a Layer 2 broadcast that is received by Host2, the switch, and the DSL modem/router

P address 203.125.12.23. You suspect that there is a problem with your protocol stack. Which of the following actions is most likely to confirm your diagnosis？（）

A. ping 127.0.0.0

B. ping 203.125.12.1

C. telnet 127.0.0.1

D. ping 127.0.0.1

E. tracert 203.125.12.1

A．253

B． 252

C． 255

D． 254

A. Router must be an ABR.

B. Router must contain one sham link.

C. The network topology must be stable.

D. Router must be able to forward packets.

E. Neighbors must support graceful restart.

hentication-order authentication-order [ radius tacplus ];The router also has a local database that contains the user lab with password lab123. What would happen if both the RADIUS and the TACACS servers are not accessible？（）

A.The user lab will not be able to login.

B.The user lab will be authenticated against the local database and will be able to login.

C.The user lab will receive an error message indicating the router is unable to authenticate due to the authentication servers not responding.

D.The user will be able to login only if tries to login as the root user.