多选题Which two statements about subnet masks are true?（）AIf a bit is turned on (1), the corresponding bit in the IP address is used for the host portion.BIf a bit is turned off (0), the corresponding bit in the IP address is used for the host portion.CIf a

题目
多选题
Which two statements about subnet masks are true?（）
A

If a bit is turned on (1), the corresponding bit in the IP address is used for the host portion.

B

If a bit is turned off (0), the corresponding bit in the IP address is used for the host portion.

C

If a bit is turned on (1), the corresponding bit in the IP address is used for the network prefix.

D

If a bit is turned off (0), the corresponding bit in the IP address is used for the network prefix.

相似考题

1.Which of the following statements about internet is (are) correct?Ⅰ.Each host in internet only has a IP address.Ⅱ.It is possible to have multiple names corresponding to the same IP address.Ⅲ.In users' points, Internet means a virtual network.A．NoneB．Ⅰ and ⅡC．Ⅱ and ⅢD．All

2.A network host is configured as follows: Host IP address: 192.168.16.183 Subnet mask: 255.255.255.224 Default gateway: 192.168.16.190 Which of the following statements describe the network to which this host is attached?（）A. The default gateway is configured on a different subnet form this host.B. The host is a member of the fifth usable subnet of the 192.168.16.0 network.C. The subnetwork address for this host is 192.168.16.160/28.D. The address of the next higher subnet is 192.168.16.192.E. The address of the router interface that is attached to this subnetwork is 192.168.16.190.F. There are 60 usable host addresses on this subnet.

3.Which is true about OSPF router－id?()A.It is used for type 1 router LSAB.Highest IP address of the loopback is usedC.router-id needs to be matched on ospf neighborsD.router-id is 16 bit

4.Which of the following is true about an IP address if the first bit is a zero?()A. The address is a Class A address.B. The address is a Class B address.C. The address is a Class C address.D. The address is a Class D address.

更多“多选题Which two statements about subnet masks are true?（）AIf a bit is turned on (1), the corresponding bit in the IP address is used for the host portion.BIf a bit is turned off (0), the corresponding bit in the IP address is used for the host portion.CIf a ”相关问题

  • 第1题：

    Which two tasks does the Dynamic Host Configuration Protocol perform?()

    A. Set the IP gateway to be used by the network.

    B. Perform host discovery used DHCPDISCOVER message.

    C. Configure IP address parameters from DHCP server to a host.

    D. Provide an easy management of layer 3 devices.

    E. Monitor IP performance using the DHCP server.

    F. Assign and renew IP address from the default pool.


    参考答案：C, F

  • 第2题：

    Which is true about OSPF router-id?（）

    • A、It is used for type 1 router LSA
    • B、Highest IP address of the loopback is used
    • C、router-id needs to be matched on ospf neighbors
    • D、router-id is 16 bit

    正确答案:A,B

  • 第3题：

    Which destination addresses will be used by Host A to send data to Host C?（）

    • A、the IP address of Switch 1
    • B、the MAC address of Switch 1
    • C、the IP address of Host C
    • D、the MAC address of Host C
    • E、the IP address of the router's E0 interface
    • F、the MAC address of the router's E0 interface

    正确答案:C,F

  • 第4题：

    Which of the following is true about an IP address if the first bit is a zero?（）

    • A、The address is a Class A address.
    • B、The address is a Class B address.
    • C、The address is a Class C address.
    • D、The address is a Class D address.

    正确答案:A

  • 第5题：

    Which two statements are true about the primary address on an interface? （）

    • A、It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interface
    • B、You use the primary address when you have multiple IP addresses belonging to the same subnet on the same inteface
    • C、It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interface
    • D、By default, the primary address on an interface is selected as the nmerically highest local address configured on the interface

    正确答案:A,C

  • 第6题：

    多选题
    Which two tasks does the Dynamic Host Configuration Protocol perform?（）
    A

    Set the IP gateway to be used by the network.

    B

    Perform host discovery used DHCPDISCOVER message.

    C

    Configure IP address parameters from DHCP server to a host.

    D

    Provide an easy management of layer 3 devices.

    E

    Monitor IP performance using the DHCP server.

    F

    Assign and renew IP address from the default pool.


    正确答案： C,B
    解析： 暂无解析

  • 第7题：

    多选题
    Which two statements about subnet masks are true?（）
    A

    If a bit is turned on (1), the corresponding bit in the IP address is used for the host portion.

    B

    If a bit is turned off (0), the corresponding bit in the IP address is used for the host portion.

    C

    If a bit is turned on (1), the corresponding bit in the IP address is used for the network prefix.

    D

    If a bit is turned off (0), the corresponding bit in the IP address is used for the network prefix.


    正确答案： D,B
    解析： 暂无解析

  • 第8题：

    多选题
    A network host is configured as follows: Host IP address: 192.168.16.183 Subnet mask: 255.255.255.224 Default gateway: 192.168.16.190 Which of the following statements describe the network to which this host is attached?（）
    A

    The default gateway is configured on a different subnet form this host.

    B

    The host is a member of the fifth usable subnet of the 192.168.16.0 network.

    C

    The subnetwork address for this host is 192.168.16.160/28.

    D

    The address of the next higher subnet is 192.168.16.192.

    E

    The address of the router interface that is attached to this subnetwork is 192.168.16.190.

    F

    There are 60 usable host addresses on this subnet.


    正确答案： F,D
    解析： 暂无解析

  • 第9题：

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

    It is used to identify the maximum hop count of a subnetwork.

    B

    It is used to identify an IP address as either private or public.

    C

    It is used to identify the network to which an IP address belongs.

    D

    It is used to identify the total number of bits present in an IP address.


    正确答案： A
    解析： 暂无解析

  • 第10题：

    多选题
    Which two statements are true about the primary address on an interface? （）
    A

    It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interface

    B

    You use the primary address when you have multiple IP addresses belonging to the same subnet on the same inteface

    C

    It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interface

    D

    By default, the primary address on an interface is selected as the nmerically highest local address configured on the interface


    正确答案： B,C
    解析： 暂无解析

  • 第11题：

    多选题
    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.


    正确答案： A,C
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following is true about an IP address if the first bit is a zero?（）
    A

    The address is a Class A address.

    B

    The address is a Class B address.

    C

    The address is a Class C address.

    D

    The address is a Class D address.


    正确答案： D
    解析： 暂无解析

  • 第13题：

    Which destination addresses will be used by Host A to send data to Host C?()

    A.the IP address of Switch 1

    B.the MAC address of Switch 1

    C.the IP address of Host C

    D.the MAC address of Host C

    E.the IP address of the router‘s E0 interface

    F.the MAC address of the router‘s E0 interface


    参考答案：C, F

  • 第14题：

    Which two statements about VPNv4 address are true？ （）

    • A、The VPNv4 address is 128 bits long with a 128-bit long subnet mask
    • B、The VPNv4 address consists of an RD and an IPv4 address
    • C、The VPNv4 address is 96 bits long with a 64-bit long subnet mask
    • D、The VPNv4 address is 128 bits long with a 64-bit long subnet mask
    • E、The VPNv4 address consists of an RT and an IPv4 address
    • F、The VPNv4 address is 96 bits long with a 32-bit long subnet mask

    正确答案:B,F

  • 第15题：

    Which of the following address formats uses 32-bit addressing?（）

    • A、IPv4
    • B、MAC address
    • C、IPv6
    • D、Host address

    正确答案:A

  • 第16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17题：

    Which two statements about subnet masks are true?（）

    • A、If a bit is turned on (1), the corresponding bit in the IP address is used for the host portion.
    • B、If a bit is turned off (0), the corresponding bit in the IP address is used for the host portion.
    • C、If a bit is turned on (1), the corresponding bit in the IP address is used for the network prefix.
    • D、If a bit is turned off (0), the corresponding bit in the IP address is used for the network prefix.

    正确答案:B,C

  • 第18题：

    单选题
    What does the ip access-routes configuration command accomplish?（）
    A

    It statically places a host route in the routing table.

    B

    It statically associates an IP address with a customer.

    C

    It dynamically creates a host route in the routing table.

    D

    It dynamically assigns an address to the router's interface


    正确答案： D
    解析： 暂无解析

  • 第19题：

    多选题
    Which two statements about VPNv4 address are true？ （）
    A

    The VPNv4 address is 128 bits long with a 128-bit long subnet mask

    B

    The VPNv4 address consists of an RD and an IPv4 address

    C

    The VPNv4 address is 96 bits long with a 64-bit long subnet mask

    D

    The VPNv4 address is 128 bits long with a 64-bit long subnet mask

    E

    The VPNv4 address consists of an RT and an IPv4 address

    F

    The VPNv4 address is 96 bits long with a 32-bit long subnet mask


    正确答案： C,A
    解析： 暂无解析

  • 第20题：

    多选题
    After replacing the NIC card of a PC on the LAN, your Cisco switch shows a new MAC address is attached to that port. Which of the following answer choices below correctly describe a MAC address?（）
    A

    It is a globally unique IP address.

    B

    It is a globally unique 48 bit address

    C

    It is provided by the manufacturer of the NIC.

    D

    It is used as part of the IPX/SPX configuration.

    E

    It is a logical address.


    正确答案： E,D
    解析： 暂无解析

  • 第21题：

    单选题
    Which statement is true about interface-based source NAT？（）
    A

    PAT is a requirement.

    B

    It requires you to configure address entries in the junos-nat zone.

    C

    It requires you to configure address entries in the junos-global zone.

    D

    The IP addresses being translated must be in the same subnet as the egress interface.


    正确答案： C
    解析： 暂无解析

  • 第22题：

    多选题
    Which is true about OSPF router-id?（）
    A

    It is used for type 1 router LSA

    B

    Highest IP address of the loopback is used

    C

    router-id needs to be matched on ospf neighbors

    D

    router-id is 16 bit


    正确答案： A,B
    解析： 暂无解析

  • 第23题：

    多选题
    Which destination addresses will be used by Host A to send data to Host C?（）
    A

    the IP address of Switch 1

    B

    the MAC address of Switch 1

    C

    the IP address of Host C

    D

    the MAC address of Host C

    E

    the IP address of the router's E0 interface

    F

    the MAC address of the router's E0 interface


    正确答案： E,F
    解析： 暂无解析

  • 第24题：

    多选题
    Which two statements are true about Unicast Reverse Path Forwarding Loose Mode？（）
    A

    It is used in multihome network scenarios.

    B

    It can be used with BGP to mitigate DoS and DDoS.

    C

    It does not need to have CEF enabled.

    D

    It is enabled via the interface level command ip verify unicast reverse-path.

    E

    It cannot be used with classification access lists.


    正确答案： C,A
    解析： 暂无解析

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