What are BCP 38 （Best Common Practices 38）/RFC 2827 Ingress Packet Filtering Principles？（）

A . foam extinguishers B . water spray equipment C . dry powder extinguishers D . soda-acid extinguisher

A . cutting off supply of oxygen B . removing the fuel C . cooling below the ignition temperature D . spraying with water

A . WebSphere Commerce 5.6 Information Center B . WebSphere Application Server 5.0.x Information Center C . WebSphere Commerce 5.6 Readme D . WebSphere Commerce 5.6 Migration Guide E . WebSphere Commerce 5.6 Web Services Implementation Guide

A . analog trunks that provide the Survivable Remote Site Telephony (SRST) feature  B . analog trunks that provide VoIP gateway functionality  C . analog trunks that connect a gateway to plain old telephone service (POTS) device such as analog phones, fax machines, and legacy voice-mail systems   D . analog trunks that connect a gateway to a central office (CO) or private branch exchange (PBX)

A . Carbon dioxide B . Distilled water C . Fresh water D . Salt water

A .  a WDM system that is compatible with EDFA technology B .  an optical technology for transmitting up to 16 channels over multiple fiber strands C .  an optical technology for transmitting up to 32 channels over multiple fiber strands D .  a technology for transmitting multiple optical signals using less sophisticated transceiver designthen CWDM E .  a technology for transmitting more closely packed optical signals using more sophisticatedtransceiver designs than CWDM

A . the time required from receipt of the incoming frame， until the frame/packet has been queued for transmission B . the time taken for a single packet to traverse the physical medium from one end to the other C . the time taken to place a frame on the physical medium for transport D . the time spent for a packet to reside in the output queue of a router

A . In the layout model increase the size of the employee record fields.  B . In the report wizard increase the display width values of the employee record fields.  C . In the property palette increase the size of the repeating frame surrounding the employee records.  D . In the life previewer, high light a field, click on the parent frame icon and make the frame bigger verticall.

A . The — ssl level was not specified B . The server was not started with the – enable–ssl-plugin option C . — ssl is not a valid server option D . The mysqld binary was not compiled with SSL support E . The server's SSL certificate was invalid

A . the time it takes for a Layer 3 switch or a router to switch a packet from an inbound interface to the queue of the outbound interface B . the time it takes for a propagate from source to destination C . the time it takes to place a frame on the physical medium for transport D . the time a packet resides in the outbound queue of a router

A . Choose the margin code in the object navigator and select file->import->image.  B . Choose the margin node in the object navigator and use the tool bar button.  C . Click the margin button in the layout model and select file->import->image.  D . Click the margin button in the layout model and use the tool bar button.

A .  Compress payload. B .  Use header compression. C .  Increase link capacity. D .  Use random early detection. E .  Guarantee bandwidth to fragile flows. F .  Implement network-based application recognition.

A . A black ball that is hoisted when the ship anchors B . A buoy attached to the anchor C . A buoy attached to the scope of an anchor chain D . A mark of the number of fathoms in an anchor chai

A . QoS and IPSec should never be used together.  B . IKE/ISAKMP packets are DiffSERV codepoint CS6, so the traffic is never dropped. C . Source IKE/ISAKMP packets off the loop-back address.  D . Classify IKE/ISAKMP packets so they are appropriately prioritized.

W: I think the most important thing is not to put everything in one place. I mean spread it around a bit. Q: What can we learn from the conversation？ (18) A．The interest rates are high. B．The man wants some advice on how to invest. C．The woman suggests investing money in one place. D．The woman does not want to help him.

A．Job-hunting. B．It's hard to land a job. C．Job-hunting plan. D．Strategies for hunting an ideal job.

<img src='https://img2.soutiyun.com/ask/uploadfile/2694001-2697000/3bb3e8300c2bd7eb7ec6d55c9cd2572b.gif' />

A．Draw lessons from past merger decisions. B．Trust those who share opinions with you. C．Stay far away from merger activities. D．Try to accept opposing views.

A.The — ssl level was not specified B.The server was not started with the – enable–ssl-plugin option C.— ssl is not a valid server option D.The mysqld binary was not compiled with SSL support E.The server‘s SSL certificate was invalid