题目内容
（请给出正确答案）
[单选题]
Which port or ports are used for SMTP？（)
A.20 and 21
B.25
C.53
D.161 and 162
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A.MMC port
B. SODIMM slot
C. Express card 34
D. USB 1.1 port
更多“Which port or ports are used f…”相关的问题
第1题
When adding a FireWire adapter to a laptop, which of the following ports would MOST likely beused？ （）
点击查看答案
第2题
Which of the following devices would need to be configured to block specific ports and protocols from entering the network？（）
A. Bridge
B. Firewall
C. Port replicator
D. Gateway
第3题
Which of the following is required if ports from VLANs on two separate switches need to broadcastto each other？（）
A. Port mirroring
B. VPN
C. Trunking
D. Port authentication
第4题
Which of the following choices lists the ports that Microsoft internal networking uses
A.UDP 137 and 138, and TCP 139
B.Ports 11, 112, and 79
C.UDP 1028, 31337 and 6000
D.Port 80, 134 and 31337
第5题
材料：If，by reason of or in compliance with any such directions or recommendations，the vess
材料：
If，by reason of or in compliance with any such directions or recommendations，the vessel does not proceed to the port or ports named in the Bill of Lading or to which she may have been ordered pursuant thereto，the Vessel may proceed to any port as directed or recommended or to any safe port which the Owners in their discretion may decide on and there discharge the cargo．Such discharge shall be deemed to be due fulfillment of the contract of affreightment and the Owners shall be entitled to freight as if discharge had been effected at the port or ports named in the Bill of Lading or to which the Vessel may have been ordered pursuant thereto．
问题：
If the vessel does not, under the directions of the Charterer, proceed to the port or ports named in the Bill of Lading or to which she may have been ordered pursuant thereto to, she may proceed to all the following ports except ______ ．
A.any port as directed
B.any port as recommended
C.any safe port which the Owners in their discretion may decide on
D.the port or ports of origin
This is a ______ ．A.a clause of a contract
B.an explanation of a clause in a contract
C.requirement from a government
D.an article of an international convention
At the substituted port, the carrier is entitled to claim ______ if he had dilivered full cargo there．A.full freight
B.half freight
C.no freight
D.reasonable freight
The contract of affreightment is referred to ______ ．A.a contract of carriage by which the carrier is entitled to carry certain amount of cargo in a specified time by any vessel or vessels either belonging to himself or to others
B.a contract of carriage, such as Gencon
C.a contract of trade
D.a contract of sales
请帮忙给出每个问题的正确答案和分析，谢谢！
第6题
Which security feature does NNTP possess that SMTP does not？（)
A.Dynamic port assignment
B.Separate control and data ports
C.Usable in conjunction with SSL
D.Strict bounds checking on arrays
第7题
Which of the following ports would have to be allowed through a firewall to allow SNMP traffic topass on its default port？（） （Select TWO).
A.22
B.23
C.143
D.161
E.162
F.8080
第8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9题
Which of the following signals can ZXCTN6100 equipment abstract clock info from？（)
A.STM-1 signal of 155M
B.GE9, GE10 Ethernet ports
C.GPS port
D.BIT/S external clock of 2M
第10题
By default, each port in a Cisco Catalyst switch is assigned to VLAN1. Which two recommendations are key to avoid unauthorized management access？ （）
A.Create an additional ACL to block the access to VLAN 1.
B.Move the management VLAN to something other than default.
C.Move all ports to another VLAN and deactivate the default VLAN.
D.Limit the access in the switch using port security configuration.
E.Use static VLAN in trunks and access ports to restrict connections.
F.Shutdown all unused ports in the Catalyst switch.
