Which of the following is an invalid subnet mask?（）A、255.0.0.0B、255.256.255.0C、255.255.255.255D、255.255.00

题目

Which of the following is an invalid subnet mask?（）

  • A、255.0.0.0
  • B、255.256.255.0
  • C、255.255.255.255
  • D、255.255.00
相似考题

1.Your ISP has assigned you the following IP address and subnet mask:IP address: 199.141.27.0Subnet mask: 255.255.255.240Which of the following addresses can be allocated to hosts on the resulting subnet?(Select all that apply)A. 199.141.27.2B. 199.141.27.175C. 199.141.27.13D. 199.141.27.11E. 199.141.27.208F. 199.141.27.112

2.Which of the following is an invalid subnet mask?()A.255.0.0.0B.255.256.255.0C.255.255.255.255D.255.255.00

3.Which of the following are true regarding a network using a subnet mask of 255.255.248.0?()A. It corresponds to a Class A address with 13 bits borrowed.B. It corresponds to a Class B address with 4 bits borrowed.C. The network address of the last subnet will have 248 in the 3rd octet.D. The first 21 bits make the host portion of the address.E. This subnet mask allows for 16 total subnets to be created.F. The subnetwork numbers will be in multiples of 8.

4.Which of the following is the subnet mask for a Class C IP address?()A.10.0.0.1B.192.168.1.1C.255.255.0.0D.255.255.255.0

参考答案和解析
正确答案:B
更多“Which of the following is an invalid subnet mask?（）A、255.0.0.0B、255.256.255.0C、255.255.255.255D、255.255.00”相关问题

  • 第1题：

    An administrator must assign static IP addresses to the servers in a network.For network 192.168.20.24/29, the router is assigned the first usable host address while the sales server is given the last usable host address. Which of the following should be entered into the IP propertied box for the sales server?（）

    A. IP address:192.168.20.14 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.9

    B. IP address:192.168.20.254 Subnet Mask:255.255.255.0 Default Gateway:192.168.20.1

    C. IP address:192.168.20.30 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.25

    D. IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.17

    E. IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.25


    参考答案：C

  • 第2题：

    Your ISP has assigned you the following IP address and subnet mask: IP address: 199.141.27.0 Subnet mask: 255.255.255.240 Which of the following addresses can be allocated to hosts on the resulting subnet?（）

    • A、199.141.27.2
    • B、199.141.27.175
    • C、199.141.27.13
    • D、199.141.27.11
    • E、199.141.27.208
    • F、199.141.27.112

    正确答案:A,C,D

  • 第3题：

    A network administrator provides an IP address of 128.135.0.142 and a subnet mask of 255.0.0.0.  Once a ping is attempted， it fails.  Which of the following options is the most probable cause of the failed ping？（）

    • A、0 is not valid in an IP address
    • B、128 is a reserved network
    • C、The subnet mask should be 255.255.0.0. since it is a class B
    • D、A network problem has occurred since IP and subnet are valid

    正确答案:C

  • 第4题：

    You are a systems administrator and you are about to assign static IP addresses to various servers on your network. For the network 192.168.20.24/29 the router is assigned to the first usable host address, while the last usable host address goes to your Sales server. Which one of the following commands would you enter into the IP properties box of the sales server?（）

    • A、IP address: 192.168.20.14 Subnet Mask: 255.255.255.248 Default Gateway:192.168.20.9
    • B、IP address: 192.168.20.254 Subnet Mask: 255.255.255.0 Default Gateway:192.168.20.1
    • C、IP address: 192.168.20.30 Subnet Mask 255.255.255.248 Default Gateway:192.168.20.25
    • D、IP address: 192.168.20.30 Subnet Mask 255.255.255.240 Default Gateway:192.168.20.17
    • E、IP address: 192.168.20.30 Subnet Mask 255.255.255.240 Default Gateway:192.168.20.25

    正确答案:C

  • 第5题：

    A technician needs to assign a default subnet mask for a class B network to a network device that was just installed. Which of the following would the technician use?（）

    • A、224.0.0.1
    • B、255.0.0.0
    • C、255.255.0.0
    • D、255.255.255.0

    正确答案:C

  • 第6题：

    Which of the following utilities could be used to determine a subnet mask？（）

    • A、PING
    • B、NSLOOKUP
    • C、TRACERT
    • D、IPCONFIG

    正确答案:D

  • 第7题：

    Which two statements are true of a network mask?（）

    • A、A subnet mask specifies the portion of an IP address that is in a binary format.
    • B、A subnet mask specifies the portion of an IP address that is in a decimal format.
    • C、A subnet mask specifies the portion of an IP address that represents a network prefix.
    • D、A subnet mask specifies the portion of an IP address that represents network hosts.

    正确答案:C,D

  • 第8题：

    单选题
    Which of the following is an invalid subnet mask?（）
    A

    255.0.0.0

    B

    255.256.255.0

    C

    255.255.255.255

    D

    255.255.00


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    A network administrator provides an IP address of 128.135.0.142 and a subnet mask of 255.0.0.0.  Once a ping is attempted， it fails.  Which of the following options is the most probable cause of the failed ping？（）
    A

    0 is not valid in an IP address

    B

    128 is a reserved network

    C

    The subnet mask should be 255.255.0.0. since it is a class B

    D

    A network problem has occurred since IP and subnet are valid


    正确答案： D
    解析： 暂无解析

  • 第10题：

    多选题
    Which of the following addresses can be assigned to a host when using a subnet mask of 255.255.254.0?（）
    A

    113.10.4.0

    B

    186.54.3.0

    C

    175.33.3.255

    D

    26.35.3.255

    E

    152.135.7.0

    F

    17.35.36.0


    正确答案： D,E
    解析： 暂无解析

  • 第11题：

    单选题
    An administrator needs a network that can support up to 800 hosts on the same subnet. Which of the following is the MINIMUM subnet mask that should be used？（）
    A

    255.0.0.0

    B

    255.255.0.0

    C

    255.255.252.0

    D

    255.255.255.0


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following is the subnet mask for a Class C IP address?（）
    A

    10.0.0.1

    B

    192.168.1.1

    C

    255.255.0.0

    D

    255.255.255.0


    正确答案： B
    解析： 暂无解析

  • 第13题：

    Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts?()

    A.15.234.118.63

    B.92.11.178.93

    C.134.178.18.56

    D.192.168.16.87

    E.201.45.116.159

    F.217.63.12.192


    参考答案：B, C, D

  • 第14题：

    Which of the following is the subnet mask for a Class C IP address?（）

    • A、10.0.0.1
    • B、192.168.1.1
    • C、255.255.0.0
    • D、255.255.255.0

    正确答案:D

  • 第15题：

    An administrator needs a network that can support up to 800 hosts on the same subnet. Which of the following is the MINIMUM subnet mask that should be used？（）

    • A、255.0.0.0
    • B、255.255.0.0
    • C、255.255.252.0
    • D、255.255.255.0

    正确答案:C

  • 第16题：

    Which of the following addresses can be assigned to a host when using a subnet mask of 255.255.254.0?（）

    • A、113.10.4.0
    • B、186.54.3.0
    • C、175.33.3.255
    • D、26.35.3.255
    • E、152.135.7.0
    • F、17.35.36.0

    正确答案:B,C,E

  • 第17题：

    For client computers to access the Internet when using DHCP， the DHCP server must have configurations for at LEAST which of the following？ （）

    • A、 Gateway address
    • B、 SNA server
    • C、 Mail server
    • D、 Web server
    • E、 Subnet mask

    正确答案:A,E

  • 第18题：

    Which two statements are true of a network mask?（）

    • A、A subnet mask specifies the portion of an IP address that is in a binary format
    • B、A subnet mask specifies the portion of an IP address that is in a decimal format
    • C、A subnet mask specifies the portion of an IP address that represents a network prefix
    • D、A subnet mask specifies the portion of an IP address that represetns network hosts

    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
    Which two statements are true of a network mask?（）
    A

    A subnet mask specifies the portion of an IP address that is in a binary format

    B

    A subnet mask specifies the portion of an IP address that is in a decimal format

    C

    A subnet mask specifies the portion of an IP address that represents a network prefix

    D

    A subnet mask specifies the portion of an IP address that represetns network hosts


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    A network administrator of a company has many branch locations each using a subnet mask of 255.255.255.224. Which of the following dynamic routing protocols should be used？（）
    A

    IPv6

    B

    RIP

    C

    IGRP

    D

    RIPv2


    正确答案： D
    解析： 暂无解析

  • 第22题：

    多选题
    Which two statements are true of a network mask?（）
    A

    A subnet mask specifies the portion of an IP address that is in a binary format.

    B

    A subnet mask specifies the portion of an IP address that is in a decimal format.

    C

    A subnet mask specifies the portion of an IP address that represents a network prefix.

    D

    A subnet mask specifies the portion of an IP address that represents network hosts.


    正确答案： C,D
    解析： 暂无解析

  • 第23题：

    多选题
    Your ISP has assigned you the following IP address and subnet mask: IP address: 199.141.27.0 Subnet mask: 255.255.255.240 Which of the following addresses can be allocated to hosts on the resulting subnet?（）
    A

    199.141.27.2

    B

    199.141.27.175

    C

    199.141.27.13

    D

    199.141.27.11

    E

    199.141.27.208

    F

    199.141.27.112


    正确答案： B,C
    解析： 暂无解析

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