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单选题
Which common Internet protocol allows for retrieval of e-mail from a server？（）
A
ISP
B
POP
C
FTP
D
SMTP
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考题
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
考题
Which command allows viewing of only OSPF routes?()
A.show ip ospf routeB.show ip route protocol ospfC.show route protocol ospfD.show ospf table
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The Internet is based on a connectionless end-to-end packet service, which traditionally provided best-effort means of data （ ）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.transformationB.transportationC.processingD.progressingA.connectionlessB.connectionC.connection-orientedD.connotationA.hostsB.switchesC.routersD.computersA.interconnectionB.networkC.internetD.webA.technologyB.problemC.structureD.algorithm
考题
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
考题
What is the reason for configuring a passive interface on a router?()
A. Allows interfaces to share common IP addresses.B. Allows an interface to remain up without the aid of keepalives.C. Allows a router to send routing and not receive updates via that interface.D. Allows a routing protocol to forward updates that is missing its IP address.E. Allows a router to receive routing updates on an interface but not send updates via that interface.
考题
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
考题
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
考题
Which two characteristics apply to a CAS T1 interface?（）A、signaling travels in-band B、up to 24 voice channels C、up to 32 voice channels D、signaling travels in time slot 17 E、uses Q.931 signaling protocol in a common channel
考题
You need to implement a high availability design in the Company routed network. Which protocol allows for the automatic selection and simultaneous use of multiple available gateways as well as automatic failover between those gateways？（）A、 VRRPB、 GLBPC、 IRDPD、 HSRPE、 None of the other alternatives apply
考题
Since HTTP is one of the most common protocols used in the internet， what should be done at a firewall level to ensure thatthe protocol is being used correctly？ （）A、 Ensure that a stateful firewall allows only HTTP traffic destined for valid web server IP addresses.B、 Ensure that a firewall has SYN flood and DDoS protection applied specifically for valid web servers.C、 Ensure that your firewall enforces HTTP protocol compliance to ensure that only valid flows are allowed inand outof your network.D、 Ensure that HTTP is always authenticated.E、 Ensure that your web server is in a different zone than your backend servers such as SQL and DNS.
考题
Which Internet protocol encrypts and decrypts user page requests， as well as the pages that are returned by a web server using SSL？（）A、NNTPB、FTPC、HTTPD、HTTPS
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Which of the following allows network administrators to easily apply common services and employ features across Cisco switches, routers, and access points with an intuitive GUI?（）A、Cisco IPSB、Cisco Network AssistantC、Cisco VAM2+D、Cisco SDM
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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
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Which characteristics are representative of a link-state routing protocol?（）A、provides common view of entire topologyB、exchanges routing tables with neighborsC、calculates shortest pathD、utilizes event-triggered updatesE、utilizes frequent periodic updates
考题
What is the reason for configuring a passive interface on a router?（）A、Allows interfaces to share common IP addresses.B、Allows an interface to remain up without the aid of keepalives.C、Allows a router to send routing and not receive updates via that interface.D、Allows a routing protocol to forward updates that is missing its IP address.E、Allows a router to receive routing updates on an interface but not send updates via that interface.
考题
Which two are NOT characteristics of the OSPF routing protocol?（）A、It confines network instability to a single area of network.B、It increases the routing overhead of the networkC、It supports VLSMD、It routes between Autonomous Systems.E、It allows extensive control of routing updates
考题
Which two Internet Protocol (IP) telephony devices are best categorized as infrastructure components? （）A、IP telephonesB、Voice gatewaysC、Call management softwareD、Media Convergence Servers (MCSs)
考题
Which common Internet protocol allows for retrieval of e-mail from a server？（）A、ISPB、POPC、FTPD、SMTP
考题
Which command allows viewing of only OSPF routes?（）A、show ip ospf routeB、show ip route protocol ospfC、show route protocol ospfD、show ospf table
考题
单选题Since HTTP is one of the most common protocols used in the internet， what should be done at a firewall level to ensure thatthe protocol is being used correctly？ （）A
Ensure that a stateful firewall allows only HTTP traffic destined for valid web server IP addresses.B
Ensure that a firewall has SYN flood and DDoS protection applied specifically for valid web servers.C
Ensure that your firewall enforces HTTP protocol compliance to ensure that only valid flows are allowed inand outof your network.D
Ensure that HTTP is always authenticated.E
Ensure that your web server is in a different zone than your backend servers such as SQL and DNS.
考题
单选题Which component of the Oracle networking architecture provides character set and data type conversion between different character sets on the client and server？ （）A
SQL*PlusB
Oracle NetC
Two-Task Common （TTC）D
Oracle Protocol Support （OPS）
考题
多选题Which two characteristics apply to a CAS T1 interface?（）Asignaling travels in-bandBup to 24 voice channelsCup to 32 voice channelsDsignaling travels in time slot 17Euses Q.931 signaling protocol in a common channel
考题
多选题Which characteristics are representative of a link-state routing protocol?（）AProvide common view of entire topologyBExchange routing tables with neighbors.CCalculates shortest path.DUtilizes event triggered updates.EUtilizes frequent periodic updates.
考题
单选题Which Internet Protocol(IP) telephony element is best categorizedas a voice application component?（）A
Voice gatewayB
Private branch exchange (PBX)C
Advanced audio conferencing softwareD
IP telephone
考题
多选题Which two are NOT characteristics of the OSPF routing protocol?（）AIt confines network instability to a single area of network.BIt increases the routing overhead of the networkCIt supports VLSMDIt routes between Autonomous Systems.EIt allows extensive control of routing updates
考题
多选题Which characteristics are representative of a link-state routing protocol?（）Aprovides common view of entire topologyBexchanges routing tables with neighborsCcalculates shortest pathDutilizes event-triggered updatesEutilizes frequent periodic updates
考题
单选题You need to implement a high availability design in the Company routed network. Which protocol allows for the automatic selection and simultaneous use of multiple available gateways as well as automatic failover between those gateways？（）A
VRRPB
GLBPC
IRDPD
HSRPE
None of the other alternatives apply
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