The following output occurs on Router R1. IP SLA operation 1 uses an ICMP echo operation type, with default frequency of 60 seconds. The operation pings from address 1.1.1.1 to address 2.2.2.2. Which of the following answers is true reg arding IP SLA and object tracking on R1?（）R1 show trackTrack 2IP SLA 1 stateState is Up3 changes, last change 00:00:03Delay up 45 secs, down 55 secsLatest operation return code: OKLatest RTT (millisecs) 6Tracked by:STATIC - IP - ROUTING 0A. The tracking return code fails after the SLA operation results in an ICMP echo failure three times.B. The tracking return code fails after the SLA operation results in an ICMP echo failure one time.C. After the tracking object fails, the tracking o bject moves back to an up state 45 seconds later in all cases.D. After moving to a down state, the tracking object moves back to an OK state 45 seconds after the SLA operation moves to an OK state.
The following output occurs on Router R1. IP SLA operation 1 uses an ICMP echo operation type, with default frequency of 60 seconds. The operation pings from address 1.1.1.1 to address 2.2.2.2. Which of the following answers is true reg arding IP SLA and object tracking on R1?（）R1 show trackTrack 2IP SLA 1 stateState is Up3 changes, last change 00:00:03Delay up 45 secs, down 55 secsLatest operation return code: OKLatest RTT (millisecs) 6Tracked by:STATIC - IP - ROUTING 0
A. The tracking return code fails after the SLA operation results in an ICMP echo failure three times.
B. The tracking return code fails after the SLA operation results in an ICMP echo failure one time.
C. After the tracking object fails, the tracking o bject moves back to an up state 45 seconds later in all cases.
D. After moving to a down state, the tracking object moves back to an OK state 45 seconds after the SLA operation moves to an OK state.
相关考题：
A Windows Communication Foundation (WCF) service uses the following service contract. [ServiceContract] public interface IService{ [OperationContract] string Operation1(string s);}You need to ensure that the operation contract Operation1 responds to HTTP POST requests.Which code segment should you use?（）A.B.C.D.
Which one of the following protocols uses both UDP and TCP ports for the transport layer operation?A．FTPB．TFTPC．SMTPD．TelnetE．DNS
A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?() A. It performs a label pop operation and an IP lookup.B. It performs a label swap operation and an IP lookup.C. It sends an error message toward the egress router.D. It sends an error message toward the ingress router.
The fol lowing line of output was extracted from the output of the show ip bgp command on Router R1. Which of the following can be determined from this output?（）Network Next Hop Metric LocPrf Weight Path* 130.1.1.0/28 1.1.1.1 0 1 2 3 4 iA. The route is learne d from an eBGP peerB. The route has no more than three ASNs in the AS_PatHC. The route is the best route for this prefixD. None of these facts can be positively determined by this output
The following configuration commands exist only in an implementation plan document. An engineer does a copy/paste of these commands into configuration mode on Router R1. Which of the following answers is m ost accurate regarding the results?（）ip sla1icmp - echo 1.1.1.1 source -ip 2.2.2.2ip sla schedule 1 start - time now life foreverA. The SLA operation will be configured but will not start until additional commands are usedB. The SLA operation is not comp letely configured so it will not collect any datAC. The SLA operation is complete and working, collecting data into the RTTMON MIBD. The SLA operation is complete and working but will not store the data in the RTTMON MIB without more configuration
Which of the following are examples of traffic that can be created as part of an IP Service －Level Agreement operation?() A. ICMP EchoB. VoIP (RTP)C. IPXD. SNMP
The following output occurs on Router R1. IP SLA operation 1 uses an ICMP echo operation type, with default frequency of 60 seconds. The operation pings from address 1.1.1.1 to address 2.2.2.2. Which of the following answers is true reg arding IP SLA and object tracking on R1?（） R1# show track Track 2 IP SLA 1 state State is Up 3 changes, last change 00:00:03 Delay up 45 secs, down 55 secs Latest operation return code: OK Latest RTT (millisecs) 6 Tracked by: STATIC - IP - ROUTING 0A、The tracking return code fails after the SLA operation results in an ICMP echo failure three times.B、The tracking return code fails after the SLA operation results in an ICMP echo failure one time.C、After the tracking object fails, the tracking o bject moves back to an up state 45 seconds later in all cases.D、After moving to a down state, the tracking object moves back to an OK state 45 seconds after the SLA operation moves to an OK state.
Which configuration would make an IP SLA probe use a precedence value of 5？（）A、ip sla 1 icmp-echo 1.1.1.1 tos 160B、ip sla 1 icmp-echo 1.1.1.1 tos 20C、ip sla 1 icmp-echo 1.1.1.1 precedence 5D、ip sla 1 icmp-echo 1.1.1.1 dscp 20
Which one of the following protocols uses both UDP and TCP ports for the transport layer operation?（）A、FTPB、TFTPC、SMTPD、TelnetE、DNS
Which of the following are examples of traffic that can be created as part of an IP Service -Level Agreement operation?（）A、ICMP EchoB、VoIP (RTP)C、IPXD、SNMP
Which four statements about an IP service level agreement （SLA） are true？ （）A、SLA responder knows type of operation， the port used， and duration.B、SLA responder inserts in and out timestamps in the packet payload.C、SLA sender and responder use the IP SLA Control Protocol to communicate with each other beforeD、SLA sender and responder communication can be encrypted.E、SLA sender and responder communication can be authenticated with MD5.
A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?（）A、It performs a label pop operation and an IP lookup.B、It performs a label swap operation and an IP lookup.C、It sends an error message toward the egress router.D、It sends an error message toward the ingress router.
When using IP SLA FTP operation， which two FTP modes are supported？ （）A、Only the FTP PUT operation type is supported.B、Active mode is supported.C、Passive FTP transfer modes are supported.D、FTP URL specified for the FTP GET operation is not supported.
OSPF is enabled on router A. You execute the following command on router A and receive theaccompanying output:RouterA#ping 224.0.0.5 repeat1Type escape sequence to abort.Sending 1, 1 00 - byte ICMP Echos to 224.0.0.5, timeout is 2 seconds:Reply to request 0 from 10.100.100.1, 4 ms10.100.100.1 is the IP address of a loopback interface on router A. What can you conclude about router A?（）A、Only the router A loopback interface is parti cipating in the OSPF routing processB、None of the router A interfaces are participating in the OSPF routing processC、Router A is using the loopback interface IP address as its OSPF router IDD、Router A does not have any reachable OSPF neighbors
Which two items best describe a Cisco IOS IP SLA responder？（）A、required at the destination to implement Cisco IOS IP SLA servicesB、improves measurement accuracyC、required for VoIP jitter measurementsD、provides security on Cisco IOS IP SLA messages via LEAP or EAP-FAST authenticationE、responds to one Cisco IOS IP SLA operation per portF、stores the resulting test statistics
Router R1 exists in an Enterprise that uses EIGRP as its routing protocol. The show ip route command output on router R1 lists the following phrase: "Gateway of last resort is 1.1.1.1 to network 2.0.0.0". Whic h of the following is most likely to have caused this output to occur on R1?（）A、R1 has been configured with an ip default- network 2.0.0.0 command.B、R1 has been configured with an ip route 0.0.0.0 0.0.0.0 1.1.1.1 command.C、R1 has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.D、Another router has been configured with an ip default - network 2.0.0.0 command.E、Another router has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.
单选题Which configuration would make an IP SLA probe use a precedence value of 3？（）Aip sla 1icmp-echo 1.1.1.1 tos 12Bip sla 1icmp-echo 1.1.1.1 tos 96Cip sla 1icmp-echo 1.1.1.1 precedence 3Dip sla 1icmp-echo 1.1.1.1 dscp 12
单选题The following configuration commands exist only in an implementation plan document. An engineer does a copy/paste of these commands into configuration mode on Router R1. Which of the following answers is m ost accurate regarding the results?（） ip sla 1 icmp - echo 1.1.1.1 source -ip 2.2.2.2 ip sla schedule 1 start - time now life foreverAThe SLA operation will be configured but will not start until additional commands are usedBThe SLA operation is not comp letely configured so it will not collect any datACThe SLA operation is complete and working, collecting data into the RTTMON MIBDThe SLA operation is complete and working but will not store the data in the RTTMON MIB without more configuration
多选题Which of the following are examples of traffic that can be created as part of an IP Service -Level Agreement operation?（）AICMP EchoBVoIP (RTP)CIPXDSNMP
多选题Which two items best describe a Cisco IOS IP SLA responder？（）Arequired at the destination to implement Cisco IOS IP SLA servicesBimproves measurement accuracyCrequired for VoIP jitter measurementsDprovides security on Cisco IOS IP SLA messages via LEAP or EAP-FAST authenticationEresponds to one Cisco IOS IP SLA operation per portFstores the resulting test statistics
单选题The following output occurs on Router R1. Which of the following cannot be determine d from this output?（） R1# show ip route 180.1.1.0 255.255.255.240 Routing entry for 180.1.1.0/28 Known via "bgp 2", distance 20, metric 0 Tag 3, type external Last update from 192.168.1.2 00:10:27 ago Routing Descriptor Blocks: * 192.168.1.2, from 19 2.168.1.2, 00:10:27 ago Route metric is 0, traffic share count is 1 AS Hops 2 Route tag 3AThe type of BGP peer (iBGP or eBGP) that advertised this route to R1BR1's ASNCThe next - hop router's ASNDThe AS_Path length
单选题OSPF is enabled on router A. You execute the following command on router A and receive theaccompanying output:RouterA#ping 224.0.0.5 repeat1Type escape sequence to abort.Sending 1, 1 00 - byte ICMP Echos to 224.0.0.5, timeout is 2 seconds:Reply to request 0 from 10.100.100.1, 4 ms10.100.100.1 is the IP address of a loopback interface on router A. What can you conclude about router A?（）AOnly the router A loopback interface is parti cipating in the OSPF routing processBNone of the router A interfaces are participating in the OSPF routing processCRouter A is using the loopback interface IP address as its OSPF router IDDRouter A does not have any reachable OSPF neighbors
单选题Which one of the following protocols uses both UDP and TCP ports for the transport layer operation?（）AFTPBTFTPCSMTPDTelnetEDNS
单选题The following output occurred as a result of the show ip bgp command on Router R1. The output shows all BGP table entries on R1. How many iBGP - learned routes exist on this router?（） *i181.0.0.0/8 10.100.1.1 0 100 0 1 2 111 112 i *i182.0.0.0/8 10.100.1.1 0 100 0 1 2 2 22 i *i183.0.0.0/8 10.100.1.1 0 100 0 1 2 i *i184.0.0.0/8 10.100.1.1 0 100 0 1 2 i * 192.135.250.0/28 192.168.1.6 0 3 4 iA1B2C3D4E5
单选题A Windows Communication Foundation (WCF) client uses the following service contract.(Line numbers are included for reference only.) 01 [ServiceContract] 02 public interface IService 03 { 04 [OperationContract] 05 string Operation1（ ）; 06 [OperationContract] 07 string Operation2（ ）; 08 } You need to ensure that all calls to Operation1 and Operation2 from the client are encrypted and signed. What should you do?（）ASet the ProtectionLevel property in line 01 to EncryptAndSign.BSet the ProtectionLevel property in line 04 and line 06 to Sign.CAdd a SecurityCriticalAttribute ror each operation.DAdd a SecunitySafeCriticalAttribute for each operation.
单选题The fol lowing line of output was extracted from the output of the show ip bgp command on Router R1. Which of the following can be determined from this output?（） Network Next Hop Metric LocPrf Weight Path * 130.1.1.0/28 1.1.1.1 0 1 2 3 4 iAThe route is learne d from an eBGP peerBThe route has no more than three ASNs in the AS_PatHCThe route is the best route for this prefixDNone of these facts can be positively determined by this output
单选题The following output occurs on Router R1. IP SLA operation 1 uses an ICMP echo operation type, with default frequency of 60 seconds. The operation pings from address 1.1.1.1 to address 2.2.2.2. Which of the following answers is true reg arding IP SLA and object tracking on R1?（） R1# show track Track 2 IP SLA 1 state State is Up 3 changes, last change 00:00:03 Delay up 45 secs, down 55 secs Latest operation return code: OK Latest RTT (millisecs) 6 Tracked by: STATIC - IP - ROUTING 0AThe tracking return code fails after the SLA operation results in an ICMP echo failure three times.BThe tracking return code fails after the SLA operation results in an ICMP echo failure one time.CAfter the tracking object fails, the tracking o bject moves back to an up state 45 seconds later in all cases.DAfter moving to a down state, the tracking object moves back to an OK state 45 seconds after the SLA operation moves to an OK state.
单选题A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?（）AIt performs a label pop operation and an IP lookup.BIt performs a label swap operation and an IP lookup.CIt sends an error message toward the egress router.DIt sends an error message toward the ingress router.