Which two Internet Protocol (IP) telephony devices are best categorized as infrastructure components? （）A、Call management softwareB、Media Convergence Servers (MCSs)C、Voice gatewaysD、IP telephones

题目

Which two Internet Protocol (IP) telephony devices are best categorized as infrastructure components? （）

  • A、Call management software
  • B、Media Convergence Servers (MCSs)
  • C、Voice gateways
  • D、IP telephones
相似考题

1.TCP／IP protocol is the Internet protocol.()此题为判断题(对，错)。

2.Which two packet attributes contribute to the identification of a session? ()(Choose two.)A. destination portB. TTLC. IP optionsD. protocol number

3.Which two statements are true about AH?() (Choose two.)A. AH provides data integrity.B. AH is identified by IP protocol 50.C. AH is identified by IP protocol 51.D. AH cannot work in conjunction with ESP

4.TCP/IP is a communication protocol, which provides many different networking services. The TCP/IP Internet protocol suite is formed from two standards: the TCP （Transmission Control Protocol） and the IP（Internet Protocol）.（72） means it is on the transport layer.A.ISOB.IPC.OSID.TCP

参考答案和解析
正确答案:B,C
更多“Which two Internet Protocol (IP)”相关问题

  • 第1题：

    Which two Internet Protocol (IP) telephony devices are best categorized as infrastructure components? ()

    A.Call management software

    B.Media Convergence Servers (MCSs)

    C.Voice gateways

    D.IP telephones


    参考答案：B, C

  • 第2题：

    IPv6 is short for "Internet Protocol Version 6". IPv6 is the "next generation" protocol designed by the IETF to(71) the current version Internet Protocol, IP version 4("IPv4").

    Most of today's internet uses IPv4, which is now more than twenty years old. IPv4 has been(72) resilient in spite of its age, but it is beginning to have problems. Most importantly, there is a growing(73) of IPv4 addresses, which are needed by all new machines added to the Internet. IPv6 fixes a number of problems in IPv4, such as the(74) number of available IPv4 addresses. It also adds many improvements to IPv4 in areas such as routing and network autoconfiguration. IPv6 is expected to gradually replace IPv4, with the two coexisting for a number of years during a transition(75) .

    A．substitution

    B．swap

    C．switchover

    D．replace


    正确答案：D

  • 第3题：

    Simple Network Management Protocol (SNMP) is an Internet Standard protocol for collecting and organizing information about managed devices on IP networks and for modifying that information to change device（）. SNMP is a component of the Internet Protocol Suiteas defined by the Internet（ ）Task Force. SNMP operates in the（ ）layer of the Internet protocol suite. All SNMP messages are transported via User（请作答此空）Protocol. An SNMP-managed network consists of three key components: a) Managed devices, b) （ ）(i.e.，software which runs on managed devices), and c) Network management station (NMS) (i.e.， software which runs on the manager).

    A.Datum
    B.Datagram
    C.DatA.Packet
    D.DatA.Message

    答案：B
    解析：
    简单英语阅读题。

  • 第4题：

    Which Internet Protocol(IP) telephony element is best categorizedas a voice application component?（）

    • A、IP telephone
    • B、Voice gateway
    • C、Private branch exchange (PBX)
    • D、Advanced audio conferencing software

    正确答案:D

  • 第5题：

    Which two statements are true about RSVP and the InServ QoS model？（）

    • A、a drawback of implementing RSVP is the requirement to migrate to a supporting routing protocol
    • B、RSVP uses DSCP to signal QoS requirements to routers 
    • C、RSVP is a routing protocol
    • D、RSVP is an IP protocol that uses IP protocol ID 46， and TCP/UDP ports 3455
    • E、RSVP specifically provides a level of service for rate-sensitive and delay-sensitive traffic
    • F、the flow-based approach of RSVP is ideal for large， scalable implementations such as the public internet

    正确答案:D,E

  • 第6题：

    Internet Protocol videoconferencing (IP/VC) provides which two business benefits? （）

    • A、Real-time discussions of patient information among remote medical teams
    • B、Reduced travel time for instructors responsible for different geographic sites
    • C、Improved morale and reduced turnover among employees who receive timely business Updates
    • D、Increased sales and customer satisfaction due to current product information disseminated simultaneously to a global sales force by headquarters

    正确答案:A,B

  • 第7题：

    Which two statements are true about Internet Group Management Protocol (IGMP) snooping?（）

    • A、IGMP snooping and Cisco Group Membership Protocol (CGMP) can be used simultaneously on a switch.
    • B、IGMP snooping a nd Cisco Group Membership Protocol (CGMP) were developed to help Layer 3 switches make intelligent forwarding decisions on their own.
    • C、IGMP snooping examines IGMP join/leave messages so that multicast traffic is forwarded only to hosts that sent an IG MP message toward the router.
    • D、IGMP snooping is an IP multicast constraining mechanism for Layer 2 switches.
    • E、IGMP snooping is enabled with the ip multicast - routing global configuration command.

    正确答案:C,D

  • 第8题：

    Which two packet attributes contribute to the identification of a session? （）(Choose two.)

    • A、destination port
    • B、TTL
    • C、IP options
    • D、protocol number

    正确答案:A,D

  • 第9题：

    多选题
    Which two Internet Protocol (IP) telephony devices are best categorized as infrastructure components? （）
    A

    Call management software

    B

    Media Convergence Servers (MCSs)

    C

    Voice gateways

    D

    IP telephones


    正确答案： D,B
    解析： 暂无解析

  • 第10题：

    多选题
    Which two Internet Protocol (IP) telephony devices are best categorized as infrastructure components? （）
    A

    IP telephones

    B

    Voice gateways

    C

    Call management software

    D

    Media Convergence Servers (MCSs)


    正确答案： A,D
    解析： 暂无解析

  • 第11题：

    单选题
    Which Internet Protocol(IP) telephony element is best categorizedas a voice application component?（）
    A

    Voice gateway

    B

    Private branch exchange (PBX)

    C

    Advanced audio conferencing software

    D

    IP telephone


    正确答案： C
    解析： 暂无解析

  • 第12题：

    Open Shortes t Path First (OSPF) is a routing protocol developed for Internet Protocol (IP) networks by the Interior Gateway Protocol (IGP) working group of the Internet Engineering Task Force (IETF).Which two statements best describe the OSPF link - state routing pro tocol?（）

    A. OSPF sends updates every 10 seconds

    B. OSPF sends triggered updates when a network change occurs

    C. When a link state is changed, the router that detected the change creates a link - state advertisement (LSA) and propagates it to all OSPF devices using the 224.0.0.6 multicast address

    D. OSPF sends summaries of individual link- state entries every 30 minutes to ensure LSDB synchronization


    参考答案：B, D

  • 第13题：

    The Internet is based on connectionless end-to-end packet service, which traditionally provided best-effort means of data （请作答此空）using the Transmission Control Protocol/Internet Protocol Suite. Although the （ ）design gives the Internet its flexibility and robustness, its packet dynamics also make it prone to congestion problems,especially at （ ）that connect networks of widely different bandwidths.The initial QoS function set was for internet hosts.One major problem with expensive wide-area（ ）links is the excessive overhead due to small Transmission Control Protocol packets created by applications such as telnet and rlogin. The Nagle （ ），which solves this issue,is now supported by all IP host implementations.

    A.transformation
    B.transportation
    C.processing
    D.progressing

    答案：B
    解析：
    平时多积累专业词汇。

  • 第14题：

    IPsec, also known as the internet Protocol ( ) , defines the architecture for security services for IP network traffic IPsec describes the framework for providing security a the IP layer, as well as the suite of protocols designed to provide that security: through_ ( )_ and encryption of IP network packets. IPec can be used 10 protect network data, for example, by setting up circuits using IPsec ( ), in which all data being sent between two endpoints is encrypted, as with a Virtual (请作答此空) Network connection ;for encrypting application layer data ;and for providing security for routers sending routing data across the public internet. Internet traffic can also be secured from host to host without the use of IPsec, for example by encryption at the ( ) layer with HTTP Secure (TTPS)or an the transport layer wit the Transport Layer Security (TLS)protocol.

    A.pubic]
    B.private]
    C.personal
    D.proper

    答案：B
    解析：

  • 第15题：

    Open Shortes t Path First (OSPF) is a routing protocol developed for Internet Protocol (IP) networks by the Interior Gateway Protocol (IGP) working group of the Internet Engineering Task Force (IETF). Which two statements best describe the OSPF link - state routing pro tocol?（）

    • A、OSPF sends updates every 10 seconds
    • B、OSPF sends triggered updates when a network change occurs
    • C、When a link state is changed, the router that detected the change creates a link - state advertisement (LSA) and propagates it  to all OSPF devices using the 224.0.0.6 multicast address
    • D、OSPF sends summaries of individual link- state entries every 30 minutes to ensure LSDB synchronization

    正确答案:B,D

  • 第16题：

    The SCTP layer in the C7 signalling protocol stack is responsible for which of the following:（）

    • A、Establishing a signaling channel between two signaling entities in an ATM network
    • B、Provide reliable connection for signaling between two IP signaling nodes
    • C、Provide routing for IP signaling messages in an IP signaling network

    正确答案:B

  • 第17题：

    Which two values are used by Spanning Tree Protocol to elect a root bridge (Choose two.)（）。

    • A、amount of RAM
    • B、bridge priority
    • C、IOS version
    • D、IP address
    • E、MAC address
    • F、speed of the links

    正确答案:B,E

  • 第18题：

    Which two Internet Protocol (IP) telephony devices are best categorized as infrastructure components? （）

    • A、IP telephones
    • B、Voice gateways
    • C、Call management software
    • D、Media Convergence Servers (MCSs)

    正确答案:B,D

  • 第19题：

    单选题
    What is a benefit of Internet protocol (IP) telephony?（）
    A

    Synchronizes password exchanges for call setup

    B

    Eliminates the need for physical cabling in a TCP/IP network

    C

    Enables two-way voice transmission over a packet-switched TCP/IP network

    D

    Creates an encrypted tunnel for voice through a Transmission Control Protocol (TCP)/IP network


    正确答案： D
    解析： 暂无解析

  • 第20题：

    多选题
    Which two statements are true about AH?（） (Choose two.)
    A

    AH provides data integrity.

    B

    AH is identified by IP protocol 50.

    C

    AH is identified by IP protocol 51.

    D

    AH cannot work in conjunction with ESP


    正确答案： D,C
    解析： 暂无解析

  • 第21题：

    多选题
    Which two commands would you use to view OSPF routes?（）
    A

    show ip route ospf

    B

    show ospf routes

    C

    show route protocol ospf

    D

    show route


    正确答案： B,D
    解析： 暂无解析

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