单选题A gateway machine has access to the Internet and is trying to reach a machine on the Internet called cactus.org. Although the gateway machine cannot reach cactus.org， another network across town is able to reach cactus.org. Furthermore， the gateway mac

题目
单选题
A gateway machine has access to the Internet and is trying to reach a machine on the Internet called cactus.org. Although the gateway machine cannot reach cactus.org， another network across town is able to reach cactus.org. Furthermore， the gateway machine can reach the network across town， but cannot ping the cactus.org. Which of the following tools will best help diagnose the location of the problem？（）
A

iptrace

B

netstat

C

tcpdump

D

traceroute

相似考题

1.代理服务器很为重要的一点就是它有一种防火墙的功能,从而一定程度上保证了安全性。而这种功能是由()决定的。A.Internet链路级网关（Gateway）B.Internet控制级网关（Gateway）C.Internet局部级网关（Gateway）D.Internet逻辑级网关（Gateway）

2.Each machine in the ineternet is assigned a unique network address, called__(71)__,that is used to identify the machine for communication purposes.A.MAC addressB.IP addressC.host addressD.domain name address

3.In enterprises, the gateway is the computer that(71) the traffic from a workstation to the outside network that is serving the Web pages. In homes ,the gateway is the(72) that connects the user to the internet.A．findsB．searchesC．routesD．tracks

4.Each machine in the internet is assigned a unique network address,called（）,that is used to identify the machine for communication purposesA.MAC addressB.IP addressC.host addressD.domain name address

参考答案和解析
正确答案： B
解析： 暂无解析
更多“单选题A gateway machine has access to the Internet and is trying to reach a machine on the Internet called cactus.org. Although the gateway machine cannot reach cactus.org， another network across town is able to reach cactus.org. Furthermore， the gateway mac”相关问题

  • 第1题：

    An administrator replaced a router with a switch. End users are able to access network shares butare not able to access the Internet. Which of the following is the BEST explanation why the usersare unable to access the Internet?（）

    A. Router routes traffic between different networks and a switch does not

    B. The new switch is faulty and needs to be replaced and configured correctly

    C. The firewall needs to be setup to allow traffic to reach the Internet

    D. The switch needs to be setup to forward data traffic to the Internet


    参考答案：A

  • 第2题：

    Each machine in the internet is assigned a unique network address，called （ ） ，that is used to identify the machine for communication purposes.

    A.MAC address
    B.IP address
    C.host address
    D.domain name address

    答案：B
    解析：
    在互联网上的每个计算机都被分配了一个IP地址，这个地址是用来和其他计算机通信的。 A．MAC地址 B．IP地址 C．主机地址 D．域名地址

  • 第3题：

    代理服务器很为重要的一点就是它有一种防火墙的功能，从而一定程度上保证了安全性。而这种功能是由（）决定的。

    • A、Internet链路级网关（Gateway）
    • B、Internet控制级网关（Gateway）
    • C、Internet局部级网关（Gateway）
    • D、Internet逻辑级网关（Gateway）

    正确答案:A

  • 第4题：

    A virus has been removed from the user’s machine, but the user still cannot access the Internet.Which of the following should the technician check NEXT?（）

    • A、Disable port forwarding on the router.
    • B、Reboot to Safe Mode and see if the Internet is accessible.
    • C、Format the machine and reinstall the OS.
    • D、Check the web browser’s proxy settings.

    正确答案:D

  • 第5题：

    A user took a laptop on vacation and made changes to the configuration in order to use the device at the hotel. The user can reach the Internet, but cannot access any internal network resources. Which of the following is the MOST likely reason?（）

    • A、Incorrect DNS
    • B、Incorrect subnet mask
    • C、Duplicate IP address
    • D、Incorrect SSID

    正确答案:A

  • 第6题：

    A gateway machine has access to the Internet and is trying to reach a machine on the Internet called cactus.org. Although the gateway machine cannot reach cactus.org， another network across town is able to reach cactus.org. Furthermore， the gateway machine can reach the network across town， but cannot ping the cactus.org. Which of the following tools will best help diagnose the location of the problem？（）

    • A、iptrace
    • B、netstat
    • C、tcpdump
    • D、traceroute

    正确答案:D

  • 第7题：

    Your company has a main office and one branch office. All servers run Windows Server 2003 Service Pack 2 (SP2). The main office has a third-party gateway device named Gateway1. Gateway1 is connected to the internal network and the Internet. Gateway1 supports IPSec. In thebranch office, you have a server named Server1. You create an IPSec policy on Server1. You need to ensure that Server1 can establish an IPSec tunnel to Gateway1.  What should you use to configure the IPSec policy?（）

    • A、an IP filter that allows only Internet Control Message Protocol （ICMP） traffic.
    • B、an IP filter that allows only TCP traffic on port 1701.
    • C、a pre-shared key for authentication.
    • D、Kerberos authentication.

    正确答案:C

  • 第8题：

    单选题
    A virus has been removed from the user’s machine, but the user still cannot access the Internet.Which of the following should the technician check NEXT?（）
    A

    Disable port forwarding on the router.

    B

    Reboot to Safe Mode and see if the Internet is accessible.

    C

    Format the machine and reinstall the OS.

    D

    Check the web browser’s proxy settings.


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    Your company has a main office and one branch office. All servers run Windows Server 2003 Service Pack 2 (SP2).The main office has a third-party gateway device named Gateway1. Gateway1 is connected to the internal network and the Internet. Gateway1 supports IPSec. In the branch office, you have a server named Server1. You create an IPSec policy on Server1.You need to ensure that Server1 can establish an IPSec tunnel to Gateway1.  What should you use to configure the IPSec policy?（）
    A

    an IP filter that allows only Internet Control Message Protocol (ICMP) traffic 

    B

    an IP filter that allows only TCP traffic on port 1701 

    C

    a pre-shared key for authentication 

    D

    Kerberos authentication


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    One of your customers has deployed a Layer 3 gateway in the untrusted network. Which gateway mode is appropriate for this customer？（）
    A

     Virtual Gateway

    B

     Real-IP Gateway

    C

     NAT Gateway

    D

     Central Gateway


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    A machine must have the most direct access possible to two different networks.  However， it cannot act as a router between the networks.  Which of the following arrangements is most appropriate to facilitate the machine’s accessibility？（）
    A

    ipforwarding turned on and two adapters

    B

    One adapter， with a route to a default gateway

    C

    An adapter in each network， and ipforwarding off

    D

    An adapter in each network， with a route only to the default gateway


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    An administrator replaced a router with a switch. End users are able to access network shares butare not able to access the Internet. Which of the following is the BEST explanation why the usersare unable to access the Internet?（）
    A

    Router routes traffic between different networks and a switch does not

    B

    The new switch is faulty and needs to be replaced and configured correctly

    C

    The firewall needs to be setup to allow traffic to reach the Internet

    D

    The switch needs to be setup to forward data traffic to the Internet


    正确答案： B
    解析： 暂无解析

  • 第13题：

    A user is unable to reach the Internet. The technician asks the user to do an IPCONFIG /all. The userreports that their IP address is 172.16.1.18, subnet mask is 255.255.255.0, and their default gateway is 172.16.1.18. Which of the following is the cause of the problem?（）

    A. Default gateway

    B. Network cable

    C. Subnet mask

    D. CNAME record


    参考答案：A

  • 第14题：

    A new building has been added to the enterprise campus network， providing client access for desktop PCs， laptops， and IP phones for employees and guests. During verification， only a few laptops using  wireless are reported to have problems， while other desktops， IP phones， and most other wireless laptops are fully operational. Additional information received about the problem indicates that， while the problematic wireless laptops cannot reach internal corporate websites， they can reach the Internet.  Where should troubleshooting about this connectivity issue be focused？（）

    • A、client network configuration
    • B、VLAN mapping
    • C、routing protocols
    • D、first-hop redundancy protocol

    正确答案:A

  • 第15题：

    Each machine in the internet is assigned a unique network address,called（）,that is used to identify the machine for communication purposes

    • A、MAC address
    • B、IP address
    • C、host address
    • D、domain name address

    正确答案:B

  • 第16题：

    An administrator replaced a router with a switch. End users are able to access network shares butare not able to access the Internet. Which of the following is the BEST explanation why the usersare unable to access the Internet?（）

    • A、Router routes traffic between different networks and a switch does not
    • B、The new switch is faulty and needs to be replaced and configured correctly
    • C、The firewall needs to be setup to allow traffic to reach the Internet
    • D、The switch needs to be setup to forward data traffic to the Internet

    正确答案:A

  • 第17题：

    A machine must have the most direct access possible to two different networks.  However， it cannot act as a router between the networks.  Which of the following arrangements is most appropriate to facilitate the machine’s accessibility？（）

    • A、ipforwarding turned on and two adapters
    • B、One adapter， with a route to a default gateway
    • C、An adapter in each network， and ipforwarding off
    • D、An adapter in each network， with a route only to the default gateway

    正确答案:C

  • 第18题：

    Your company has a main office and one branch office. All servers run Windows Server 2003 Service Pack 2 (SP2).The main office has a third-party gateway device named Gateway1. Gateway1 is connected to the internal network and the Internet. Gateway1 supports IPSec. In the branch office, you have a server named Server1. You create an IPSec policy on Server1.You need to ensure that Server1 can establish an IPSec tunnel to Gateway1.  What should you use to configure the IPSec policy?（）

    • A、an IP filter that allows only Internet Control Message Protocol (ICMP) traffic 
    • B、an IP filter that allows only TCP traffic on port 1701 
    • C、a pre-shared key for authentication 
    • D、Kerberos authentication

    正确答案:C

  • 第19题：

    A user is unable to reach the Internet. The technician asks the user to do an IPCONFIG /all. The userreports that their IP address is 172.16.1.18, subnet mask is 255.255.255.0, and their default gateway is 172.16.1.18. Which of the following is the cause of the problem?（）

    • A、Default gateway
    • B、Network cable
    • C、Subnet mask
    • D、CNAME record

    正确答案:A

  • 第20题：

    单选题
    A gateway machine has access to the Internet and is trying to reach a machine on the Internet called cactus.org. Although the gateway machine cannot reach cactus.org， another network across town is able to reach cactus.org. Furthermore， the gateway machine can reach the network across town， but cannot ping the cactus.org. Which of the following tools will best help diagnose the location of the problem？（）
    A

    iptrace

    B

    netstat

    C

    tcpdump

    D

    traceroute


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    A user is unable to reach the Internet. The technician asks the user to do an IPCONFIG /all. The userreports that their IP address is 172.16.1.18, subnet mask is 255.255.255.0, and their default gateway is 172.16.1.18. Which of the following is the cause of the problem?（）
    A

    Default gateway

    B

    Network cable

    C

    Subnet mask

    D

    CNAME record


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    A new building has been added to the enterprise campus network， providing client access for desktop PCs， laptops， and IP phones for employees and guests. During verification， only a few laptops using  wireless are reported to have problems， while other desktops， IP phones， and most other wireless laptops are fully operational. Additional information received about the problem indicates that， while the problematic wireless laptops cannot reach internal corporate websites， they can reach the Internet.  Where should troubleshooting about this connectivity issue be focused？（）
    A

    client network configuration

    B

    VLAN mapping

    C

    routing protocols

    D

    first-hop redundancy protocol


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    A user took a laptop on vacation and made changes to the configuration in order to use the device at the hotel. The user can reach the Internet, but cannot access any internal network resources. Which of the following is the MOST likely reason?（）
    A

    Incorrect DNS

    B

    Incorrect subnet mask

    C

    Duplicate IP address

    D

    Incorrect SSID


    正确答案： B
    解析： 暂无解析

  • 第24题：

    单选题
    One of your customers has deployed a Layer 3 gateway in the untrusted network. Which gateway mode is appropriate for this customer?（）
    A

    Virtual Gateway

    B

    Real-IP Gateway

    C

    NAT Gateway

    D

    Central Gateway


    正确答案： D
    解析： 暂无解析

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