We have already covered the topic of network addresses. The first（71） in a block (in classes A,B,and C) defines the network address. In classes A,B,and C,if the hostid is all ls, the address is called a direct broadcast address. It is used by a.（） to sen

题目
We have already covered the topic of network addresses. The first（71） in a block (in classes A,B,and C) defines the network address. In classes A,B,and C,if the hostid is all ls, the address is called a direct broadcast address. It is used by a.（） to send a packet to all hosts in a specific network. All hosts will accept a packet having this type of destination address. Note that this address can be used only as a （73）address in an lP packet. Note also that this special address also reduces the number of available hostid for each netid in classes A,B,and C.
In classes A,B,and C,an address with all Is for the netid and hostid (32 bits) defines a（74） address in the current network.A host that wants to send a message to every other host can use this address as a destination address in an IP packet. However,a router will block a packet having this type ofaddress to confine the broadcasting to the （75） network. Note that this address belongs to class E.

A.router
B.switch
C.huB.
D.firewall
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.●We have already covered the topic of network addresses. The first(71) in a block (in classes A,B,and C) defines the network address. In classes A,B,and C,if the hostid is all ls, the address is called a direct broadcast address. It is used by a (72) to send a packet to all hosts in a specific network. All hosts will accept a packet having this type of destination address. Note that this address can be used only as a (73)address in an lP packet. Note also that this special address also reduces the number of available hostid for each netid in classes A,B,and C.In classes A,B,and C,an address with all Is for the netid and hostid (32 bits) defines a( 74) address in the current network.A host that wants to send a message to every other host can use this address as a destination address in an IP packet. However,a router will block a packet having this type ofaddress to confine the broadcasting to the (75) network. Note that this address belongs to class E.(71) A.datagramB.functionC.addressD.service(72) A.routerB.switchC.hubD.firewall(73)A.sourceB.destinationC.localD.remote(74) A.unicastB.multicastC.broadcastD.anycast(75) A.neighborB.nextC.remoteD.local

3.46． Every week， we have classes ________ Monday to Friday．A．onB．toC．fromD．with

4.You‘re working at TestKing as a network administrator when your MCSE assistant calls you for help. He has attempted to configure Router TK1 and incorrectly configured the router interface with a subnet broadcast address. You have to correct this by first removing the incorrect IP address and then re-entering the first usable IP address of the same subnet.How will you do this?（）A.B.C.D.E.

更多“We have already covered the topic of network addresses. The first（71） in a block (in classes A,B,and C) defines the network address. In classes A,B,and C,if the hostid is all ls, the address is call”相关问题

  • 第1题：

    We have already covered the topic of network addresses. The first（） in a block (in classes A,B,and C) defines the network address. In classes A,B,and C,if the hostid is all ls, the address is called a direct broadcast address. It is used by a.（72） to send a packet to all hosts in a specific network. All hosts will accept a packet having this type of destination address. Note that this address can be used only as a （73）address in an lP packet. Note also that this special address also reduces the number of available hostid for each netid in classes A,B,and C.
    In classes A,B,and C,an address with all Is for the netid and hostid (32 bits) defines a（74） address in the current network.A host that wants to send a message to every other host can use this address as a destination address in an IP packet. However,a router will block a packet having this type ofaddress to confine the broadcasting to the （75） network. Note that this address belongs to class E.

    A.datagram
    B.function
    C.address
    D.service

    答案：C
    解析：

  • 第2题：

    Which two statements about the QoS policy generation phase of the Cisco SDM QoS wizard are true？ （）

    • A、 The SDM QoS wizard will create two real-time traffic classes to handle VoIP and voice signaling packets.
    • B、 The SDM QoS wizard will create three real-time traffic classes to handle VoIP， voice signaling， and video packets.
    • C、 The SDM QoS wizard will create four real-time traffic classes to handle VoIP， voice signaling， video， and video streaming packets.
    • D、 The SDM QoS wizard will create two business-critical traffic classes to handle transactional and network management packets.
    • E、 The SDM QoS wizard will create three business-critical traffic classes to handle transactional， network management， and routing packets.
    • F、 The SDM QoS wizard will create four business-critical traffic classes to handle transactional， network management， routing， and best-effort packets.

    正确答案:A,E

  • 第3题：

    Which statements about Java code security are true？（） 

    • A、 The bytecode verifier loads all classes needed for the execution of a program.
    • B、 Executing code is performed by the runtime interpreter.
    • C、 At runtime the bytecodes are loaded， checked and run in an interpreter.
    • D、 The class loader adds security by separating the namespaces for the classes of the local file system from those imported from network sources.

    正确答案:B,C,D

  • 第4题：

    A network administrator receives an error message while tring to configure the Ethernet interface of arouter with IP address 10.24.24.24/29.which statement explains the reason for this issue？（）

    • A、The address is a broadcast address
    • B、The Ehernet interface is faulty
    • C、VLSM-capable routing protocols must be enable first on the router.
    • D、This address is a network address.

    正确答案:D

  • 第5题：

    Which two statements about the QoS policy generation phase of the Cisco SDM QoS wizard are true？（）

    • A、the SDM QoS wizard will create two real-time traffic classes to handle VoIP， voice signaling， and video packets
    • B、the SDM QoS wizard will create three real-time traffic classes to handle VoIP， voice signaling， video， and video packets
    • C、the SDM QoS wizard will create four real-time traffic classes to handle VoIP， voice signaling， video， and video streaming packets
    • D、the SDM QoS wizard will create two business-critical traffic classes to handle transactional and  network management packets
    • E、the SDM QoS wizard will create three business-critical traffic classes to handle transactional， network management， and routing packets
    • F、the SDM QoS wizard will create four business-critical traffic classes to handle transactional， network management， routing， and best-effort packets

    正确答案:A,E

  • 第6题：

    You have been asked to use a 23-bit network mask to segment the network block 209.18.12.0, How many usable host address will there e per subnet?（）

    • A、510
    • B、1022
    • C、2046
    • D、8190

    正确答案:A

  • 第7题：

    You work as a network administrator at ABC.com. The ABC.com network consists of a single domain named ABC.com. All servers on the ABC.com network have Windows Server 2012 R2 installed and all client computers have Windows 8 installed.You install the DHCP server services on a server named ABC_SR02 and configure a DHCP scope for the ABC.com network. You want ABC_SR02 to automatically assign IP configurations to all client computers on the network.  How would you accomplish this task？（）

    • A、You should activate the DHCP scope on ABC_SR02.
    • B、You should authorize ABC_SR02 in Active Directory.
    • C、You should configure the client computers to Obtain an IP address automatically.
    • D、You should configure the client computers to with an alternative IP address.

    正确答案:B,C

  • 第8题：

    单选题
    What is the effect of the following access list condition?  access-list 101 permit ip 10.25.30.0 0.0.0.255 any（）。
    A

    permit all packets matching the first three octets of the source address to all destinations

    B

    permit all packets matching the last octet of the destination address and accept all source addresses

    C

    permit all packets from the third subnet of the network address to all destinations

    D

    permit all packets matching the host bits in the source address to all destinations

    E

    permit all packets to destinations matching the first three octets in the destination address


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    Your company has 250 client computers connected to the office LAN. The company has a pool of five public IP addresses. All client computers have dynamically assigned IP addresses. You need to provide all client computers with Internet access.  What should you use？（）
    A

     DHCP Relay Agent

    B

     Routing Information Protocol （RIP）

    C

     Internet Group Management Protocol （IGMP）

    D

     Network Address Translation （NAT）/Basic Firewall


    正确答案： A
    解析： 暂无解析

  • 第10题：

    多选题
    Which three practices are important to the implementation of a DiffServ QoS architecture？（）
    A

    Because services are allocated throughout the network before the transmission of data begins， traffic classes can be guaranteed QoS services.

    B

    Traffic classes are marked with Layer 2 markings to allow for more granularity in identifying traffic classes.

    C

    Traffic classes are marked with Layer 3 markings to allow them to traverse different network types without loss of QoS information.

    D

    Traffic classes allow networks to provide proper QoS treatment of packets without applications having to request services.

    E

    Based upon the network capabilities， QoS markings are placed on packets as needed throughout the network to allow for proper QoS treatment of packets.

    F

    QoS markings are placed on packets as close to the network edge as possible to allow distribution and core devices to determine QoS actions as quickly as possible.


    正确答案： A,F
    解析： 暂无解析

  • 第11题：

    单选题
    A network administrator receives an error message while tring to configure the Ethernet interface of a router with IP address 10.24.24.24/29.which statement explains the reason for this issue?（）
    A

    The address is a broadcast address

    B

    The Ehernet interface is faulty

    C

    VLSM-capable routing protocols must be enable first on the router.

    D

    This address is a network address.


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    A network administrator receives an error message while tring to configure the Ethernet interface of a router with IP address 10.24.24.24/29. which statement explains the reason for this issue？（）
    A

    The address is abroadcast address.

    B

    The Ehernet interface is faulty.

    C

    VLSM-capable routing protocols must be enable first on the router.

    D

    This address is a network address.


    正确答案： C
    解析： 暂无解析

  • 第13题：

    We have already covered the topic of network addresses. The first（71） in a block (in classes A,B,and C) defines the network address. In classes A,B,and C,if the hostid is all ls, the address is called a direct broadcast address. It is used by a.（72） to send a packet to all hosts in a specific network. All hosts will accept a packet having this type of destination address. Note that this address can be used only as a （73）address in an lP packet. Note also that this special address also reduces the number of available hostid for each netid in classes A,B,and C.
    In classes A,B,and C,an address with all Is for the netid and hostid (32 bits) defines a（） address in the current network.A host that wants to send a message to every other host can use this address as a destination address in an IP packet. However,a router will block a packet having this type ofaddress to confine the broadcasting to the （75） network. Note that this address belongs to class E.

    A.unicast
    B.multicast
    C.broadcast
    D.anycast

    答案：C
    解析：

  • 第14题：

    A network administrator receives an error message while tring to configure the Ethernet interface of a router with IP address 10.24.24.24/29. which statement explains the reason for this issue？（）

    • A、The address is abroadcast address.
    • B、The Ehernet interface is faulty.
    • C、VLSM-capable routing protocols must be enable first on the router.
    • D、This address is a network address.

    正确答案:D

  • 第15题：

    You are the administrator of a Windows 2000 network. You install Windows 2000 Professional on a new computer and configure the TCP/IP settings to have a static IP address. While testing network connectivity from the new computer, you discover an error in the DNS server address that is configured in the TCP/IP settings. You configure the correct DNS server address, which is 10.1.1.5. However, you are still unable to successfully connect to network resources by name. You run the IPconfig/all command. The results indicate that the DNS server address is now configured as 0.0.0.0 You need to ensure that the computer can connect to network resources by name. What should you do?（）

    • A、Stop and restart the DNS Client service.
    • B、Add 10.1.1.5 to the DNS server list on the TCP/IP Advanced Properties tab.
    • C、Add an A （host） record for the computer to the DNS server’s zone file.
    • D、Configure your DHCP server to have a DNS server address of 10.1.1.5.

    正确答案:A

  • 第16题：

    Which three practices are important to the implementation of a DiffServ QoS architecture？（）

    • A、 Because services are allocated throughout the network before the transmission of data begins， traffic classes can be guaranteed QoS services.
    • B、 Traffic classes are marked with Layer 2 markings to allow for more granularity in identifying traffic classes.
    • C、 Traffic classes are marked with Layer 3 markings to allow them to traverse different network types without loss of QoS information.
    • D、 Traffic classes allow networks to provide proper QoS treatment of packets without applications having to request services.
    • E、 Based upon the network capabilities， QoS markings are placed on packets as needed throughout the network to allow for proper QoS treatment of packets.
    • F、 QoS markings are placed on packets as close to the network edge as possible to allow distribution and core devices to determine QoS actions as quickly as possible.

    正确答案:C,D,F

  • 第17题：

    There are 3 steps to confirm whether a range of IP address can be summarized. When of thefollowing is used in each of these 3 steps？（）

    • A、 The first number in the contiguous block of addresses
    • B、 The last number in the contiguous block of addresses
    • C、 The size of the contiguous block of addresses
    • D、 The subnet mask of the original network address

    正确答案:A

  • 第18题：

    Which two forwarding classes have bandwidth assigned when CoS is not explicitly configured in JUNOS software？（）

    • A、Best effort（BE）
    • B、Network control（NC）
    • C、Assured forwarding（AF）
    • D、Expedited forwarding（EF）

    正确答案:A,B

  • 第19题：

    You are the network administrator for your company. The network consists of a single Active Directory domain. The domain contains 25 Windows Server 2003 computers and 6，000 Windows XP Professional computers.The written company security policy states that network traffic to Web servers must be audited on a regular basis. A server named Server1 is configured as a Web server on the company’s intranet. You install Network Monitor Tools from a Windows Server 2003 product CD-ROM on Server1.You run Network Monitor on Server1 for three hours. When you stop the network capture， you see that Network Monitor captured over 40，000 frames. As you look at the captured frames， you notice that an extremely large number of TCP connection requests have all come from the 131.107.0.1 IP address.In Network Monitor， you need to view only the frames for network traffic that are captured between Server1 and the 131.107.0.1 IP address.  What should you do？（）

    • A、Create an Address Capture filter for all network traffic between Server1 and the 131.107.0.1 IP address.
    • B、Create a Find Frame Expression filter for network traffic captured between Server1 and the 131.107.0.1 IP address.
    • C、Create an Address Display filter for all network traffic captured between Server1 and the 131.107.0.1 IP address.
    • D、Create a Pattern Match capture trigger for the 131.107.0.1 IP address.

    正确答案:C

  • 第20题：

    多选题
    You work as a network administrator at ABC.com. The ABC.com network consists of a single domain named ABC.com. All servers on the ABC.com network have Windows Server 2012 R2 installed and all client computers have Windows 8 installed.You install the DHCP server services on a server named ABC_SR02 and configure a DHCP scope for the ABC.com network. You want ABC_SR02 to automatically assign IP configurations to all client computers on the network.  How would you accomplish this task？（）
    A

    You should activate the DHCP scope on ABC_SR02.

    B

    You should authorize ABC_SR02 in Active Directory.

    C

    You should configure the client computers to Obtain an IP address automatically.

    D

    You should configure the client computers to with an alternative IP address.


    正确答案： A,C
    解析： 暂无解析

  • 第21题：

    单选题
    You are the network administrator for your company. The network consists of a single Active Directory domain. The domain contains 25 Windows Server 2003 computers and 6，000 Windows XP Professional computers.The written company security policy states that network traffic to Web servers must be audited on a regular basis. A server named Server1 is configured as a Web server on the company’s intranet. You install Network Monitor Tools from a Windows Server 2003 product CD-ROM on Server1.You run Network Monitor on Server1 for three hours. When you stop the network capture， you see that Network Monitor captured over 40，000 frames. As you look at the captured frames， you notice that an extremely large number of TCP connection requests have all come from the 131.107.0.1 IP address.In Network Monitor， you need to view only the frames for network traffic that are captured between Server1 and the 131.107.0.1 IP address.  What should you do？（）
    A

    Create an Address Capture filter for all network traffic between Server1 and the 131.107.0.1 IP address.

    B

    Create a Find Frame Expression filter for network traffic captured between Server1 and the 131.107.0.1 IP address.

    C

    Create an Address Display filter for all network traffic captured between Server1 and the 131.107.0.1 IP address.

    D

    Create a Pattern Match capture trigger for the 131.107.0.1 IP address.


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    There are 3 steps to confirm whether a range of IP address can be summarized. When of thefollowing is used in each of these 3 steps？（）
    A

     The first number in the contiguous block of addresses

    B

     The last number in the contiguous block of addresses

    C

     The size of the contiguous block of addresses

    D

     The subnet mask of the original network address


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    You have been asked to use a 23-bit network mask to segment the network block 209.18.12.0, How many usable host address will there e per subnet?（）
    A

    510

    B

    1022

    C

    2046

    D

    8190


    正确答案： A
    解析： 暂无解析

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