单选题After updating serverB's network configurations, anadministrator notices that serverA, which resides in a different subnet, is unable to communicate with serverB via ssh or telnet. As ping's to the server fail, the administrator logs onto serverB via a

题目
单选题
After updating serverB's network configurations, anadministrator notices that serverA, which resides in a different subnet, is unable to communicate with serverB via ssh or telnet. As ping's to the server fail, the administrator logs onto serverB via a console and finds an available interface en0 in the 'up' state. From the console connection, en0 can communicate with other servers in the same subnet. What is the most likely cause of the problem?()
A

en0 has no associated ip address.

B

serverB is missing its default route.

C

serverB and serverA cannot connect due to a firewall.

D

en0 has been set up to block traffic from servers that are in different subnets.


相似考题
更多“After updating serverB's network configurations, anadministr”相关问题
  • 第1题:

    Which of the following is not a typical maintenance task within a network maintenance model?()

    • A、Providing technical customer support
    • B、Changing configurations
    • C、Updating software
    • D、Monitoring network performance
    • E、Replacing hardware
    • F、Scheduling backups

    正确答案:A

  • 第2题:

    Oracle Net Configuration Assistant is a post-installation tool that configures basic network components after installation. Which four components are included in the configuration?()

    • A、Directory server
    • B、Hostname adaptor
    • C、TCP/IP host file
    • D、Connection Manager
    • E、connecting pooling
    • F、external procedures
    • G、listener names and protocol addresses
    • H、Net Service names in a tnsnames.ora file
    • I、naming methods the client uses to resolve connect identifiers

    正确答案:A,G,H,I

  • 第3题:

    A users Junos Pulse client uses 802.1X to access a wired network and is failing to authenticate. You run a packet capture from the users PC and notice that immediately after the client machine sends an EAPoL-start packet, an EAP-failure packet is returned. You review the RADIUS troubleshooting logs on the MAG Series device and do not see any authentication attempts from the user. Other users on the same Ethernet switch are successfully authenticating. Which device is sending the EAP-failure packet to the workstation?()

    • A、The RADIUS server
    • B、The EAPoL server
    • C、The workstation's network adapter
    • D、The Ethernet switch

    正确答案:D

  • 第4题:

    Which of the following documents should always be kept up-to-date after any major changes aremade to a network backbone?()

    • A、Network diagram
    • B、Performance baseline
    • C、Network security procedure
    • D、Company policy

    正确答案:A

  • 第5题:

    Which of the following network devices should be installed at a data center to intelligently distribute client connections to a pool of servers?()

    • A、A proxy server
    • B、A load balancer
    • C、A layer two switch
    • D、A multilayer switch

    正确答案:B

  • 第6题:

    Which of the following should an administrator utilize FIRST after installing a new HBA?()

    • A、 New Technology File Systems (NTFS)
    • B、 Digitally signed device drivers
    • C、 Virtual machine components
    • D、 Multiple RAID configurations

    正确答案:B

  • 第7题:

    When tuning a network module what is the purpose of the grace period?()

    • A、It defines the maximum permissible time period between missed heartbeats before a failure is detected
    • B、It defines the time period to wait to activate the network module after starting the cluster manager
    • C、It defines the period between detecting a missed heartbeat and initiating a network down, allowing thenetwork to stabilize
    • D、It defines the time period during which, after a network failure was detected, further network failures of thesame type will be ignored

    正确答案:D

  • 第8题:

    An AIX server has 2 network interfaces and the system administrator wants to enable the users on the locally configured network interface to be able to connect to systems configured on the global network interface.  How is it accomplished?()

    • A、Enable routed on the server
    • B、Enable gated on the server
    • C、Enable ipforwarding on the server
    • D、Set network options back to default

    正确答案:C

  • 第9题:

    单选题
    After updating serverB’s network configurations, an administrator notices that serverA, which resides in a different subnet, is unable to communicate with serverB via ssh or telnet. As ping’s to the server fail, the administrator logs onto serverB via a console and finds an available interface en0 in the ’up’ state. From the console connection, en0 can communicate with other servers in the same subnet. What is the most likely cause of the problem?()
    A

    en0 has no associated ip address.

    B

    serverB is missing its default route.

    C

    serverB and serverA cannot connect due to a firewall.

    D

    en0 has been set up to block traffic from servers that are in different subnets.


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    The SQL Tuning Advisor has been configured with default configurations in your database instance. Which recommendation is automatically implemented without the DBA’s intervention after the SQL Tuning Advisor is run as part of the AUTOTASK framework?()
    A

     statistics recommendations

    B

     SQL profile recommendations

    C

     index-related recommendations

    D

     restructuring of SQL recommendations


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    You want to connect your Windows 2000 Professional computer to multiple TCP/IP subnets on your company’s network. Your computer currently has an ISA network adapter installed. You install a second ISA network adapter. After you restart your computer, you notice that the second ISA network adapter is not functioning. What should you do?()
    A

    Set the driver signing option to block.

    B

    Set the driver signing option to ignore.

    C

    In the computer’s BIOS, reserve an unused IRQ for ISA devices.

    D

    In the Device Manager, configure the second ISA network adapter to use an unused IRQ.


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    Which MST configuration statement is correct?  ()
    A

     MST configurations can be propagated to other switches using VTP.

    B

     After MST is configured on a Switch, PVST+ operations will also be enabled by default.

    C

     MST configurations must be manually configured on each switch within the MST region.

    D

     MST configurations only need to be manually configured on the Root Bridge.

    E

     MST configurations are entered using the VLAN Database mode on Cisco Catalyst switches.


    正确答案: B
    解析: 暂无解析

  • 第13题:

    A computer is able to ping other devices on the same network but is unable to ping devices onanother network. Which of the following needs to be configured?()

    • A、DNS primary server
    • B、Host route
    • C、Proxy ARP
    • D、Default gateway

    正确答案:D

  • 第14题:

    A company wants to expand their storage capacity in a flexible manner over their existing network.Which of the following storage solutions would they consider?()

    • A、External RAID array on an existing server
    • B、Network Attached Storage
    • C、Storage Area Network
    • D、Tape library

    正确答案:B

  • 第15题:

    NAS是指()。

    • A、网络接入服务器Network Access Server
    • B、网络认证服务器Network Authentication Server
    • C、网络接入业务Network Access Service
    • D、网络认证系统Network Authentication System

    正确答案:A

  • 第16题:

    An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot. Which of the following is the FIRST thing the administrator should check?()

    • A、Default gateway
    • B、The ports on the switch
    • C、Port security on the server's switch port
    • D、Ethernet cable

    正确答案:A

  • 第17题:

    When installing a new PCIe network card, when should manufacturer software and drivers beinstalled?()

    • A、Before inserting the PCIe network card in the case
    • B、After inserting the new PCIe network card in the case
    • C、They will be automatically loaded after installation
    • D、Load them concurrently with the PCIe network card

    正确答案:A

  • 第18题:

    Which of the following procedures should be performed to minimize possible problems for a customer when updating software?()

    • A、Apply the updates without committing.
    • B、Commit the new updates to be certain there is no change after the next reboot.
    • C、Update one fileset at a time and test to ensure that it works before updating the next fileset.
    • D、No action is necessary since the software can always be uninstalled and re-installed.

    正确答案:A

  • 第19题:

    After updating serverB’s network configurations, an administrator notices that serverA, which resides in a different subnet, is unable to communicate with serverB via ssh or telnet. As ping’s to the server fail, the administrator logs onto serverB via a console and finds an available interface en0 in the ’up’ state. From the console connection, en0 can communicate with other servers in the same subnet. What is the most likely cause of the problem?()

    • A、en0 has no associated ip address.
    • B、serverB is missing its default route.
    • C、serverB and serverA cannot connect due to a firewall.
    • D、en0 has been set up to block traffic from servers that are in different subnets.

    正确答案:B

  • 第20题:

    You need to recommend the server configurations for the new failover cluster. The configurations must support the company's planned changes    Which two actions should you recommend?()

    • A、From Hyper-V Manager on each node, configure one virtual network.
    • B、From Hyper-V Manager on one node, configure two virtual networks.
    • C、Install one network adapter on each node. Configure the network adapters to use multiple IP ddresses.
    • D、Install two network adapters on each node. Configure the network adapters to communicate on  separate subnets.

    正确答案:A,D

  • 第21题:

    单选题
    An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot. Which of the following is the FIRST thing the administrator should check?()
    A

    Default gateway

    B

    The ports on the switch

    C

    Port security on the server's switch port

    D

    Ethernet cable


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    The SQL Tuning Advisor has been configured with default configurations in your database instance. Which recommendation is automatically implemented without the DBA's intervention after the SQL Tuning Advisor is run as part of the AUTOTASK framework?()
    A

    statistics recommendations

    B

    SQL profile recommendations

    C

    index-related recommendations

    D

    restructuring of SQL recommendations


    正确答案: C
    解析: 暂无解析

  • 第23题:

    多选题
    Your network consists of three Active Directory forests. Forest trust relationships exist between all forests. Each forest contains one domain. All domain controllers run Windows Server 2008 R2. Your company has three network administrators. Each network administrator manages a forest and the Group Policy objects (GPOs) within that forest.   You need to create standard GPOs that the network administrators in each forest will use. The GPOs must meet the following requirements:   èThe GPOs must only contain settings for either user configurations or computer configurations. èThe number of GPOs must be minimized.   Which two actions should you perform?()
    A

    Export the new GPOs to .cab files. Ensure that the .cab files are available to the network administrator  in each forest.

    B

    Create two new GPOs. Configure both GPOs to use the required user configurations and the required  computer configurations.

    C

    Create two new GPOs. Configure one GPO to use the required user configuration. Configure the other GPO to use the required computer configuration.

    D

    Back up the Sysvol folder that is located on the domain controller where the new GPOs were created. Provide the backup to the network administrator in each forest.


    正确答案: B,A
    解析: 暂无解析

  • 第24题:

    单选题
    Which of the following procedures should be performed to minimize possible problems for a customer when updating software?()
    A

    Apply the updates without committing.

    B

    Commit the new updates to be certain there is no change after the next reboot.

    C

    Update one fileset at a time and test to ensure that it works before updating the next fileset.

    D

    No action is necessary since the software can always be uninstalled and re-installed.


    正确答案: A
    解析: 暂无解析