单选题An administrator has provided a 24 bit netmask.  Which of the following options indicates the number of host addresses that are available in a network？（）A 24B 126C 128D 254

题目
单选题
An administrator has provided a 24 bit netmask.  Which of the following options indicates the number of host addresses that are available in a network？（）
A

24

B

126

C

128

D

254

相似考题

1.● Every host and router on the Internet has an IP address，which encodes its (69) ．(69) A．host numberB．host number and socketC．network numberD．host number and network number

2.Every host and router on the Internet has an IP address, which encodes its(12).A．host numberB．network numberC．host number and socketD．host number and network number

3.Ezonexam has a Class C network and you need ten subnets. You wish to have as many addresses available for hosts as possible. Which one of the following subnet masks should you use?A．255.255.255.192B．255.255.255.224C．255.255.255.240D．255.255.255.248E．None of the above

4.Every host and router on the Internet has an IP address, which encodes itsA．host numberB．host number and socketC．network numberD．host number and network number

更多“单选题An administrator has provided a 24 bit netmask.  Which of the following options indicates the number of host addresses that are available in a network？（）A 24B 126C 128D 254”相关问题

  • 第1题：

    You are the network administrator at TestKing. TestKing has been provided withthe network address 165.100.27.0/24. The TestKing CEO wants to know how many subnetworks this address provides, and how many hosts can be supported on each subnet.What would your reply be?（）

    A. One network with 254 hosts.

    B. 254 networks with 254 hosts per network.

    C. 65,534 networks with 255 hosts per network.

    D. 30 networks with 64 hosts per network.

    E. 254 networks with 65,534 per network.


    参考答案：A

  • 第2题：

    The server administrator discovers that a server， which has not been patched， is runningextremely slow and suspects that the server may have been compromised. Which of the following commands should the administrator use to check the number of network connections the server is making？（）

    • A、netstat
    • B、ping
    • C、nslookup
    • D、grep

    正确答案:A

  • 第3题：

    An administrator has provided a 24 bit netmask.  Which of the following options indicates the number of host addresses that are available in a network？（）

    • A、24
    • B、126
    • C、128
    • D、254

    正确答案:D

  • 第4题：

    A company has a corporate office building that is used by 50 to 100 unique visitors each day for meetings. Users routinely report that they are unable to access the network with their laptops when visiting this location. The help desk reports that these users are not getting IP addresses automatically assigned. After an investigation， the server administrator has determined that the DHCP service is functioning， but a minimal number of addresses are available for lease. The building is on its own class Csubnet and has 250 addresses in the scope.  Which of the following represents a long term solution tothe problem？（）

    • A、 Manually delete address leases from DHCP.
    • B、 Create reservations in DHCP for users frequently visiting this location.
    • C、 Assign static IP addresses to visiting laptops.
    • D、 Reduce the lease duration in the DHCP scope options to one day.

    正确答案:D

  • 第5题：

    A network administrator has a 10base2 network.  A card is provided that has both 10base2 and 10base5 ports.  Which of the following types of cables should be selected in SMIT during configuration of the adapter？（）

    • A、TP
    • B、BNC
    • C、DIX
    • D、CAT5

    正确答案:B

  • 第6题：

    A system administrator has determined that a recently applied APAR needs to be removed. Which of the following installp options will remove the APAR？（）

    • A、cleanup
    • B、commit
    • C、deinstall
    • D、reject

    正确答案:D

  • 第7题：

    单选题
    Which of the following BEST describes the function of a DNS server?（）
    A

    Secures network traffic through shared key encryption.

    B

    Provides resolution of host names to IP addresses.

    C

    Provides security for a network through the use of ACLs.

    D

    Dynamically assigns IP addresses for easy client configuration.


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    What does a router do if it has no EIGRP feasible successor route to a destination network and the successor route to that destination network is inactive status?（）
    A

    It routes all traffic that is addresses to the destination network to the interface indicates in the routing table.

    B

    It sends a copy of its neighbor table to all adjacent routers.

    C

    It sends a multicast query packet to all adjacent neighbors requesting available routing paths to the destination network.

    D

    It broadcasts Hello packets to all routers in the network to re-establish neighbor adjacencies.


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    You are the network administrator at TestKing. TestKing has been provided withthe network address 165.100.27.0/24. The TestKing CEO wants to know how many subnetworks this address provides, and how many hosts can be supported on each subnet. What would your reply be?（）
    A

    One network with 254 hosts.

    B

    254 networks with 254 hosts per network.

    C

    65,534 networks with 255 hosts per network.

    D

    30 networks with 64 hosts per network.

    E

    254 networks with 65,534 per network.


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    A System p administrator has determined that a recently applied APAR needs to be removed.  Which of the following installp options will remove the APAR（）
    A

    cleanup

    B

    uninstall

    C

    deinstall

    D

    reject


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    The server administrator discovers that a server， which has not been patched， is runningextremely slow and suspects that the server may have been compromised. Which of the following commands should the administrator use to check the number of network connections the server is making？（）
    A

    netstat

    B

    ping

    C

    nslookup

    D

    grep


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    A system administrator has determined that a recently applied APAR needs to be removed. Which of the following installp options will remove the APAR？（）
    A

    cleanup

    B

    commit

    C

    deinstall

    D

    reject


    正确答案： C
    解析： 暂无解析

  • 第13题：

    Which of the following options indicates the number of adapters that may be banded together to form an EtherChannel？（）

    • A、1 or 3
    • B、2 or more of differing models
    • C、2 or 4 of the same model
    • D、2 or more of the same model

    正确答案:B

  • 第14题：

    A System p administrator has determined that a recently applied APAR needs to be removed.  Which of the following installp options will remove the APAR（）

    • A、cleanup
    • B、uninstall
    • C、deinstall
    • D、reject

    正确答案:D

  • 第15题：

    A small office in which all workstations are using an ISP provided IP range has noticed a consistent decrease in network traffic speed. The decrease does not occur when the gateway to the ISP is disconnected. Which of the following should the administrator implement?（）

    • A、Multicast addressing
    • B、Load balancing
    • C、Address translation
    • D、DHCP

    正确答案:C

  • 第16题：

    An AIX server is configured with a static IP address but the system administrator wants the server to give out IP addresses for clients who want to use the dynamic host configuration protocol instead of static IP addresses.How is this accomplished？（）

    • A、Use SMIT to have the server use DHCP instead of a static address
    • B、Edit /etc/rc.tcpip and start the dhcpsd daemon
    • C、Use the network options command to enable ipforwarding
    • D、Edit /etc/rc.net to set network options back to default

    正确答案:B

  • 第17题：

    What is the purpose of a network mask?（）

    • A、It is used in conjunction with the wildcard mask to determine the number of hosts on a network
    • B、It is used to define which parts of the IP address are allocated to host addresses and network prefixes
    • C、It is used to hide subnets from external networks by masking the subnets with NAT
    • D、It is used to differentiate a network as a classful network or a classless network

    正确答案:B

  • 第18题：

    单选题
    Which of the following commands indicates the available state of a physical adapter？（）
    A

    lscfg

    B

    lsdev

    C

    netstat

    D

    ifconfig


    正确答案： C
    解析： 暂无解析

  • 第19题：

    单选题
    An AIX server is configured with a static IP address but the system administrator wants the server to give out IP addresses for clients who want to use the dynamic host configuration protocol instead of static IP addresses.How is this accomplished？（）
    A

    Use SMIT to have the server use DHCP instead of a static address

    B

    Edit /etc/rc.tcpip and start the dhcpsd daemon

    C

    Use the network options command to enable ipforwarding

    D

    Edit /etc/rc.net to set network options back to default


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    A small office in which all workstations are using an ISP provided IP range has noticed a consistent decrease in network traffic speed. The decrease does not occur when the gateway to the ISP is disconnected. Which of the following should the administrator implement?（）
    A

    Multicast addressing

    B

    Load balancing

    C

    Address translation

    D

    DHCP


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    A network administrator has a 10base2 network.  A card is provided that has both 10base2 and 10base5 ports.  Which of the following types of cables should be selected in SMIT during configuration of the adapter？（）
    A

    TP

    B

    BNC

    C

    DIX

    D

    CAT5


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    What is the purpose of a network mask?（）
    A

    It is used in conjunction with the wildcard mask to determine the number of hosts on a network

    B

    It is used to define which parts of the IP address are allocated to host addresses and network prefixes

    C

    It is used to hide subnets from external networks by masking the subnets with NAT

    D

    It is used to differentiate a network as a classful network or a classless network


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    An administrator has provided a 24 bit netmask.  Which of the following options indicates the number of host addresses that are available in a network？（）
    A

    24

    B

    126

    C

    128

    D

    254


    正确答案： C
    解析： 暂无解析

  • 第24题：

    单选题
    A company has a corporate office building that is used by 50 to 100 unique visitors each day for meetings. Users routinely report that they are unable to access the network with their laptops when visiting this location. The help desk reports that these users are not getting IP addresses automatically assigned. After an investigation， the server administrator has determined that the DHCP service is functioning， but a minimal number of addresses are available for lease. The building is on its own class Csubnet and has 250 addresses in the scope.  Which of the following represents a long term solution tothe problem？（）
    A

     Manually delete address leases from DHCP.

    B

     Create reservations in DHCP for users frequently visiting this location.

    C

     Assign static IP addresses to visiting laptops.

    D

     Reduce the lease duration in the DHCP scope options to one day.


    正确答案： C
    解析： 暂无解析

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