Which of the following is an SLA？（）

第1题：

Which of the following sounds is a voiced bilabial stop?

第2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 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.

第3题：

第4题：

On a router that is configured with multiple IP SLA probes， which command can be used to manage the CPU load that was created by the periodic probing？（）

• A、ip sla monitor low-memory
• B、ip sla group schedule
• C、ip sla reaction-trigger
• D、ip sla enable timestamp

第5题：

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 before
• D、SLA sender and responder communication can be encrypted.
• E、SLA sender and responder communication can be authenticated with MD5.

第6题：

Which of the following phonetic symbol is not right?

答案：D

解析：

第7题：

Which of these is a benefit of ESM？（）

• A、 supports multiple MIBs
• B、 includes NetFlow， NBAR， and IP SLA software subsystems
• C、 includes NetFlow， syslog， and IP SLA software subsystems
• D、 includes a predefined framework for filtering and correlating messages
• E、 supports two logging processes so output can be sent in standard and ESM format

第8题：

第9题：

Which of the following statements are true concerning the command ip sla monitor responder typetcpconnect ipaddress 10.1.1.1 port 23？（Choose all that apply.）（）

• A、The command will initiate a probe with a destination IP address of 10.1.1.1
• B、The command is used on the IP SLA responder and the IP SLA source
• C、The command will allow only source address 10.1.1.1 to source probes
• D、The command will initiate a probe with a destination Telnet port
• E、The command is used to make the router a responder
• F、The command will initiate a probe with a source port of 23

第10题：

Which three of these statements about the IP service level agreement （SLA） sender are true？ （）

• A、SLA sender target can be an IP host
• B、SLA sender sends a probe packet and a response probe packet
• C、SLA sender sends a probe packet
• D、SLA sender target must be a router
• E、SLA sender target can be an IP SLA responder