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Which protocol automates all of the following functions for

题目
单选题
Which protocol automates all of the following functions for hosts on a network: IP configuration, IP addresses, subnet masks, default gateways, and DNS server information?（）
A

CDP

B

SNMP

C

DHCP

D

ARP

E

DNS

F

None of the above

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According to STCW Code,which of the following functions must an engineer officer possess?( )


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第2题：

All of the following are functions of CRM system except （ 71 ）。

A.automation procurement

B.automation sales

C.automation marketing

D.automation customer service


正确答案：A

第3题：

Which of the following utility functions reflects risk-aversion:

A uniform

B increasing

C decreasing

D exponential

E B and D only


正确答案：C

第4题：

Which of the following is true regarding Label Distribution Protocol （LDP）？（）

  • A、It is a label distribution protocol for MPLS
  • B、It is a set of procedures and messages by which LSRs establish Label Switch Paths （LSPs） through a network
  • C、Tag distribution Protocol （TDP） was the basis for LDP
  • D、All of the above are true

正确答案:D

第5题：

Which of the following devices should an administrator connect to a protocol analyzer in order tocollect all of the traffic on a LAN segment?()

A.Hub

B.VLAN

C.Router

D.Server


参考答案：A

第6题：

Which protocol automates all of the following functions for hosts on a network: IP configuration, IP addresses, subnet masks, default gateways, and DNS server information?

A. CDP

B. SNMP

C. DHCP

D. ARP

E. DNS

F. None of the above


正确答案：C
C 解析：Explanation:
DHCP uses the concept of the client making a request and the server supplying the IP address to the client, plus other information such as the default gateway, subnet mask, DNS IP address, and other information.

Incorrect Answers:
A. CDP is the Cisco Discovery Protocol. It is used by Cisco devices at the data link layer to obtain information about their directly connected neighbors.

B. SNMP is the Simple Network Management Protocol. This is used for the maintenance, management, and monitoring of network devices.

D. ARP is the Address Resolution Protocol, which is used to resolve layer 2 MAC addresses to layer 3 IP addresses.

E. DNS is the Domain Name Service. It is used to resolve domain names (for example, www.ezonexam.com) to IP addresses. The IP address location of primary and secondary DNS resolver servers can be obtained for hosts using DHCP.

第7题：

For which two functions is the Routing Engine responsible?()

A.packet forwarding

B.queuing functions

C.routing protocol control

D.JUNOS software operation


参考答案：C, D

第8题：

Which of the following correctly describe the various functions and virtues of a router? (Select all valid answer choices)

A. Packet switching

B. Collision prevention on a LAN segment.

C. Packet filtering

D. Broadcast domain enlargement

E. Broadcast forwarding

F. Internetwork communication

G. None of the above


正确答案：ACF
A,C,F 解析：Explanation:
The main function of a router is to connect different, separated networks together. In doing so, switching packets from one network to another is a primary function, along with providing for communication between networks. As an additional feature, routers are capable of providing filtering on a network address and application port level, so choice C is also correct.

Incorrect Answers:
B. Routers can indeed be used to segment a network separate a collision domain, since routers do not forward LAN broadcasts and multicasts to other interfaces. However, routers alone can not prevent all collisions from occurring on any given LAN segment.

D. Routers actually segment LANs into smaller broadcast domains.

E. Routers do not forward broadcast and multicast traffic out the additional interfaces by default. Unless bridging or IP helpers are configured on the router, LAN broadcasts are blocked at the router level.

第9题：

Which of the following are valid methods of providing a router with information concerning thelocation of the RP？ （Choose all that apply.）（）

  • A、Statically defined RP
  • B、Bootstrap Router
  • C、Auto-RP
  • D、RP Discovery Protocol （RDP）
  • E、RP Helios
  • F、RPARP（RARP）

正确答案:A,B,C

第10题：

Which of the following is a disadvantage of using the EIGRP protocol?（）

  • A、It does not scale well
  • B、It converges slower than OSPF
  • C、It is a proprietary protocol
  • D、It is a distance vector protocol

正确答案:C

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