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单选题Which ports must be left open if an administrator plans to perform Dynamic LPAR operations？（）Aport 21（ftp）：tcp and port 657（rmc）：tcpBport 22（ssh）：tcp and port 657（rmc）：udpCport 657（rmc）：tcp and port 657（rmc）：udpDport 161（snmp）：tcp and port 161（snmp）：ud

题目
单选题
Which ports must be left open if an administrator plans to perform Dynamic LPAR operations？（）
A

 port 21（ftp）：tcp and port 657（rmc）：tcp

B

 port 22（ssh）：tcp and port 657（rmc）：udp

C

 port 657（rmc）：tcp and port 657（rmc）：udp

D

 port 161（snmp）：tcp and port 161（snmp）：udp

相似考题

1.On which destination port in the Layer 4 header does BGP listen?()A. UDP port 169B. TCP port 169C. UDP port 179D. TCP port 179

2.You configure your Windows 2000 Professional computer for Internet Connection Sharing and for TCP/IP filtering as shown in the exhibit.You test your TCP/IP filtering configuration from another client computer. You can access web sites, but you cannot access FTP sites.What should you do to be able to access FTP sites?A．Add Port 21 to the TCP Ports section.B．Add Port 138 to the TCP Ports section.C．Add Port 21 to the IP Ports section.D．Add Port 138 to the IP Ports section.

3.WhichportsmustbeleftopenifanadministratorplanstoperformDynamicLPARoperations?()A.port21（ftp）：tcpandport657（rmc）：tcpB.port22（ssh）：tcpandport657（rmc）：udpC.port657（rmc）：tcpandport657（rmc）：udpD.port161（snmp）：tcpandport161（snmp）：udp

4.Which protocol supports LDP sessions?()A. SIP (port 626)B. TCP (port 646)C. UDP (port 606)D. IP (protocol code LDP)

更多“单选题Which ports must be left open if an administrator plans to perform Dynamic LPAR operations？（）A  port 21（ftp）：tcp and port 657（rmc）：tcpB  port 22（ssh）：tcp and port 657（rmc）：udpC  port 657（rmc）：tcp and port 657（rmc）：udpD  port 161（snmp）：tcp and port 161（”相关问题

  • 第1题：

    一个到远程主机的TELNET会话默认的端口号是()。

    A.UDP port21

    B.UDP port23

    C.TCPport21

    D.TCP port23


    参考答案：D

  • 第2题：

    What is the port number of the IPsec Authentication Header packet？（）

    • A、IP protocol 50
    • B、TCP port 51
    • C、UDP port 50
    • D、IP protocol 51
    • E、UDP port 51
    • F、TCP port 50

    正确答案:D

  • 第3题：

    Which two ports are used with RADIUS authentication and authorization？（）

    • A、UDP port 1812
    • B、UDP port 2000
    • C、TCP port 2002
    • D、UDP port 1645

    正确答案:A,D

  • 第4题：

    Which protocol supports LDP sessions?（）

    • A、SIP (port 626)
    • B、TCP (port 646)
    • C、UDP (port 606)
    • D、IP (protocol code LDP)

    正确答案:B

  • 第5题：

    A Windows Azure application is activated for Windows Azure Connect A corporate policy blocks Internet traffic for local servers.  You need to recommend the firewall rule that will allow Windows Azure Connect traffic for local servers.  What should you recommend？（）

    • A、 Allow TCP port 443 inbound.
    • B、 Allow TCP port 3389 outbound.
    • C、 Allow TCP port 3389 inbound.
    • D、 Allow TCP port 443 outbound.

    正确答案:D

  • 第6题：

    To initiate testing，  which port does a Cisco IOS IP SLA source use to send a control message to an IP SLA responder？ （）

    • A、UDP port 2020
    • B、UDP port 1967
    • C、TCP port 2020
    • D、ICMP port 1967

    正确答案:B

  • 第7题：

    The above bgp configuration has what effect on the configured router？（）

    • A、Allows incoming TCP connections destined to port 179
    • B、Allows incoming TCP connections sourced from port 179
    • C、Allows incoming TCP connections from 1.1.1.1 and destined to，or sourced from port 179
    • D、Allows incoming TCP connections from 1.1.1.1 that are destined to port 179
    • E、Allows incoming TCP connections from 1.1.1.1 that are sourced from port 179

    正确答案:D

  • 第8题：

    On which destination port in the Layer 4 header does BGP listen?（）

    • A、UDP port 169
    • B、TCP port 169
    • C、UDP port 179
    • D、TCP port 179

    正确答案:D

  • 第9题：

    DNS查询使用以下哪个端口？（）

    • A、UDP port 53
    • B、UDP port 23
    • C、TCP port 53
    • D、TCP port 23

    正确答案:A

  • 第10题：

    单选题
    Which of the following descriptions about IP spoofing is correct？（）
    A

    IP source address is forged

    B

    IP destination address is forged

    C

    IP TCP source port is forged

    D

    IP TCP destination port is forged

    E

    None of above


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    The above bgp configuration has what effect on the configured router？（）
    A

    Allows incoming TCP connections destined to port 179

    B

    Allows incoming TCP connections sourced from port 179

    C

    Allows incoming TCP connections from 1.1.1.1 and destined to，or sourced from port 179

    D

    Allows incoming TCP connections from 1.1.1.1 that are destined to port 179

    E

    Allows incoming TCP connections from 1.1.1.1 that are sourced from port 179


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    A Windows Azure application is activated for Windows Azure Connect A corporate policy blocks Internet traffic for local servers.  You need to recommend the firewall rule that will allow Windows Azure Connect traffic for local servers.  What should you recommend？（）
    A

     Allow TCP port 443 inbound.

    B

     Allow TCP port 3389 outbound.

    C

     Allow TCP port 3389 inbound.

    D

     Allow TCP port 443 outbound.


    正确答案： A
    解析： 暂无解析

  • 第13题：

    What is the port number of an IPsec Encapsulating Security Payfoad packet？（）

    • A、UOP port 50
    • B、IP protocol 51
    • C、TCP port 51
    • D、TCP port 50
    • E、IP protocol 50
    • F、UDP port51

    正确答案:E

  • 第14题：

    Which of the following descriptions about IP spoofing is correct？（）

    • A、IP source address is forged
    • B、IP destination address is forged
    • C、IP TCP source port is forged
    • D、IP TCP destination port is forged
    • E、None of above

    正确答案:A

  • 第15题：

    Which ports must be left open if an administrator plans to perform Dynamic LPAR operations？（）

    • A、 port 21（ftp）：tcp and port 657（rmc）：tcp
    • B、 port 22（ssh）：tcp and port 657（rmc）：udp
    • C、 port 657（rmc）：tcp and port 657（rmc）：udp
    • D、 port 161（snmp）：tcp and port 161（snmp）：udp

    正确答案:C

  • 第16题：

    Interface ge-0/0/2.0 of your router is attached to the Internet and is configured with an IP address and network mask of 71.33.252.17/24. A host with IP address 10.20.20.1 is running an HTTP service on TCP port 8080. This host isattached to the ge-0/0/0.0 interface of your router. You must use interface-based static NAT to make the HTTP service on the host reachable from the Internet. On which IP address and TCP port can Internet hosts reach the HTTP service?（）

    • A、IP address 10.10.10.1 and TCP port 8080
    • B、IP address 71.33.252.17 and TCP port 80
    • C、IP address 71.33.251.19 and TCP port 80
    • D、IP address 71.33.252.19 and TCP port 8080

    正确答案:D

  • 第17题：

    What is the port number of an IPsec Encapsulating Security Payload packet？（）

    • A、IP protocol 50
    • B、IP protocol 51
    • C、TCP port 50
    • D、TCP port 51
    • E、UDP port 50
    • F、UDP port 51

    正确答案:A

  • 第18题：

    Which statements about MPLS Label Distribution Protocol（LDP） are valid？（）

    • A、LDP hello packets are sent to UDP port 646
    • B、LDP hello packets are sent to TCP port 711
    • C、LDP sessions are TCP sessions to port 646
    • D、LDP sessions are TCP sessions to port 711
    • E、LDP establishes a peer relationship with another router that must be directly attached
    • F、LDP can establishes a peer relationship with another router that is not directly attached

    正确答案:A,C,F

  • 第19题：

    Companycom is installing a p5 590 with a HMC to manage LPARs. The customer is very concerned about security and wants to restrict network traffic that is not necessary. What is necessary for communication between the LPARs and the HMC?（）

    • A、An administrative VLAN with port 1808
    • B、Port 657 which must remain open to TCP/IP and UDP traffic
    • C、Network addresses are provided by DHCP services on the network
    • D、DHCP on the HMC is required to be on to communicate between LPAR and HMC

    正确答案:B

  • 第20题：

    You are the administrator of a Windows 2000 Professional computer， which has a 56 Kbps modem， connected to itself. You want the users on your company’s network to be able to connect to the Internet using your computer. But， you do not want to allow any other operations than HTTP and FTP. Which ports will you allow through this connection？ （）

    • A、Port 80
    • B、Port 21
    • C、Port 25
    • D、Port 81

    正确答案:A,B

  • 第21题：

    多选题
    Which statements about MPLS Label Distribution Protocol（LDP） are valid？（）
    A

    LDP hello packets are sent to UDP port 646

    B

    LDP hello packets are sent to TCP port 711

    C

    LDP sessions are TCP sessions to port 646

    D

    LDP sessions are TCP sessions to port 711

    E

    LDP establishes a peer relationship with another router that must be directly attached

    F

    LDP can establishes a peer relationship with another router that is not directly attached


    正确答案： D,E
    解析： 暂无解析

  • 第22题：

    单选题
    Companycom is installing a p5 590 with a HMC to manage LPARs. The customer is very concerned about security and wants to restrict network traffic that is not necessary. What is necessary for communication between the LPARs and the HMC?（）
    A

    An administrative VLAN with port 1808

    B

    Port 657 which must remain open to TCP/IP and UDP traffic

    C

    Network addresses are provided by DHCP services on the network

    D

    DHCP on the HMC is required to be on to communicate between LPAR and HMC


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    Which ports must be left open if an administrator plans to perform Dynamic LPAR operations？（）
    A

     port 21（ftp）：tcp and port 657（rmc）：tcp

    B

     port 22（ssh）：tcp and port 657（rmc）：udp

    C

     port 657（rmc）：tcp and port 657（rmc）：udp

    D

     port 161（snmp）：tcp and port 161（snmp）：udp


    正确答案： A
    解析： 暂无解析

  • 第24题：

    单选题
    Interface ge-0/0/2.0 of your router is attached to the Internet and is configured with an IP address and network mask of 71.33.252.17/24. A host with IP address 10.20.20.1 is running an HTTP service on TCP port 8080. This host isattached to the ge-0/0/0.0 interface of your router. You must use interface-based static NAT to make the HTTP service on the host reachable from the Internet. On which IP address and TCP port can Internet hosts reach the HTTP service?（）
    A

    IP address 10.10.10.1 and TCP port 8080

    B

    IP address 71.33.252.17 and TCP port 80

    C

    IP address 71.33.251.19 and TCP port 80

    D

    IP address 71.33.252.19 and TCP port 8080


    正确答案： D
    解析： 暂无解析

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