Refer to the exhibit.The network administrator normally establishes a telnet session with the switch from host A.However,host A is unavailable.The administrator′s attempt to the switch from host B fails,but pings to the other two hosts are successfu

题目

Refer to the exhibit.The network administrator normally establishes a telnet session with the switch from host A.However,host A is unavailable.The administrator′s attempt to the switch from host B fails,but pings to the other two hosts are successful.what is the issue?（）

A.Host B and the switch need to be in the same subnet.

B.The switch needs and appropriate default gateway assigned.

C.The switch interface connected to the router is down.

D.Host B need to be assigned an IP address in vlan 1.

E.The switch interfaces need the appropriate IP addresses assigned.

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相似问题和答案

第1题：

OSI参考模型有哪些层，按顺序()。

A.Application、session、transport、network、physical、physical、datalink

B.Application、presentation、session、network、transport、datalink,physical

C.Application、presentation、session、transport、network、datalink、physical

D.Application、session、transport、physical、network、physical、datalink

正确答案：C

第2题：

You work as a network engineer at TestKing.com. You are required to allow establishment of a Telnet session with a router TestKingC.Which set command must be configured?()

参考答案：F

第3题：

The network administrator has configured port security on a Ezonexam switch. Why would a network administrator configure port security on this Ezonexam device?

A．To prevent unauthorized hosts from getting access to the LAN

B．To limit the number of Layer 2 broadcasts on a particular switch port

C．To prevent unauthorized Telnet or SSH access to a switch port

D．To prevent the IP and MAC address of the switch and associated ports

E．None of the above

正确答案：A
解析：Explanation:
You can use the port security feature to restrict input to an interface by limiting and identifying MAC addresses of the stations allowed to access the port. When you assign secure MAC addresses to a secure port, the port does not forward packets with source addresses outside the group of defined addresses. If you limit the number of secure MAC addresses to one and assign a single secure MAC address, the workstation attached to that port is assured the full bandwidth of the port.

If a port is configured as a secure port and the maximum number of secure MAC addresses is reached, when the MAC address of a station attempting to access the port is different from any of the identified secure MAC addresses, a security violation occurs. Also, if a station with a secure MAC address configured or learned on one secure port attempts to access another secure port, a violation is flagged.

第4题：

Refer to the exhibit. An administrator pings the default gateway at 10.10.10.1 and sees the output as shown. At which OSI layer is the problem?()

A.data link layer

B.application layer

C.access layer

D.session layer

E.network layer

参考答案：E

第5题：

The network administrator of the Oregon router adds the follwing command to the router configuration: ip route 192.168.12.0 255.255.255.0 172.16.12.1. What are the results of adding this command?()

A. The command establishes a static route

B. The command invokes a dynamic routing protocol for 192.168.12.0

C. Traffic for network 192.168.12.0 is forwarded to 172.16.12.1

D. Traffic for all networks is forwarded to 172.16.12.1

E. This route is automatically propagated throughout the entire network

F. Traffic for network 172.16.12.0 is forwarded to the 192.168.12.0 network

参考答案：A, C

第6题：

Refer to the exhibit. Routers RTA and RTB are running BGP but the session is active. What command needs to be added to esta blish the BGP session? ()

A. ip route 10.10.10.1 255.255.255.255 s0/0 ip route 10.10.10.1 255.255.255.255 s0/1

B. network 10.10.10.0

C. no synchronization

D. neighbor 10.10.10.1 next - hop - self

参考答案：A

第7题：

Refer to the exhibit.The network administrator is in acampus building distant from Building B.WANRouter is hosting a newly installed WAN link on interface S0/0.The new link is not functioning and the administrator needs to determine if the correct cable has been attached to the S0/0 interface.How can the administrator accurately verify the correct cable type on S0/0 in the most efficient manner?（）

A.Telnet to WANRouter and execute the command show interfaces S0/0

B.Telnet to WANRouter and execute the commandshow processes S0/0

C.Telnet to WANRouter and execute the command show running-configuration

D.Telnet to WANRouter and execute the command show controller S0/0

E.Physically examine the cable between WANRouter S0/0 and the DCE.

F.Establish a console sessionon WANRouter and execute the command show interfaces S0/0

参考答案：D

第8题：

A network administrator has configured source NAT, translating to an address that is on a locally connected subnet.The administrator sees the translation working, but traffic does not appear to come back.What is causing the problem?（）

A. The host needs to open the telnet port.

B. The host needs a route for the translated address.

C. The administrator must use a proxy-arp policy for the translated address.

D. The administrator must use a security policy, which will allow communication between the zones.

参考答案：C

第9题：

A network administrator needs to allow only one Telnet connection to a router. For anyone viewing the configuration and issuing the show run command, the password for Telnet access should be encrypted. Which set of commands will accomplish this task?（）

参考答案：C

第10题：

The network administrator is in a campus building distant from Building B. WANRouter is hosting a newly installed WAN link on interface S0/0. The new link is not functioning and the administrator needs to determine if the correct cable has been attached to the S0/0 interface. How can the administrator accurately verify the correct cable type on S0/0 in the most efficient manner（）。

A.Telnet to WANRouter and execute the command show interfaces S0/0

B.Telnet to WANRouter and execute the command show processes S0/0

C.Telnet to WANRouter and execute the command show running-configuration

D.Telnet to WANRouter and execute the command show controller S0/0

E.Physically examine the cable between WANRouter S0/0 and the DCE

F.Establish a console session on WANRouter and execute the command show interfaces S0/0

参考答案：D

Refer to the exhibit.The network administrator normally establishes a telnet session with

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