题目内容
（请给出正确答案）
[单选题]
Which ports are used by SNMP？（)
A.UDP ports 161 and 162
B.UDP ports 20 and 21
C.TCP ports 161 and 162
D.TCP ports 20 and 21
单选题，请选择你认为正确的答案：
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A.20 and 21
B.25
C.53
D.161 and 162
更多“Which ports are used by SNMP？（…”相关的问题
第2题
Which of the following ports are used by default for web servers？ （）（Select TWO)
A.80
B.110
C.123
D.143
E.443
第3题
Which of the following ports is used for HTTPS traffic by default？（）
A.80
B.143
C.443
D.8080
第4题
Which of the following protocols is used to disable switch ports automatically to prevent switchingloops？（）
A.RIP
B.0S：F
C.STP
D.EGP
第5题
What is the first step that you would use Cisco Product Advisor for when selecting a router for an Edge solution？（）
A. determine types of protocols to be supported
B. determine the environment in which the router will be used
C. select the number of WAN ports required
D. select the number of LAN ports required
第6题
Which component of the Cisco 800, 1800, 2800, and 3800 Series ISRs can be used to enableimportant security and storage capabilities？（）
A. onboard USB 1.1 ports
B. inline PoE
C. Ethernet backup port
D. BRI
第7题
Which component of the Cisco 800, 1800, 2800, and 3800 Series ISRs can be used to enable importantsecurity and storage capabilities？ （）
A. onboard USB 1.1 ports
B. inline PoE
C. Ethernet backup port
D. BRI
第8题
An administrator is having a hard time adding a new switch to the network. After verifying
that allthe ports are configured correctly on each switch, which of the following should the administratorverily NEXT？（）
点击查看答案
A. Straight-through cable is used to connect both switches
B. Loopback plug is connected
C. Crossover cable is used to connect both switches
D. Cable is a rollover cable
第9题
Which three statements are true about the operation of a full-duplex Ethernet network, whi
ch is being used in the Ezonexam LAN？ (Choose three)
点击查看答案
A．Ethernet hub ports are preconfigured for full-duplex mode.
B．The host network card and the switch port must be capable of operating in full-duplex mode.
C．There are no collisions in full-duplex mode.
D．In a full-duplex environment, the host network card must check for the availability of the network media before transmitting.
E．A dedicated switch port is required for each full-duplex node.
