26) On an Ethernet LAN how many IPX encapsulation types are supported (在一个E t h e r n e t局域网上，可以支持多少个I P X封装)？
A. 4
B. 3
C. 2
D. 1
27) The frame check sequence checks with which fields in an Ethernet_802.3 frame (帧校验序列校验E t h e r n e t - 8 0 2 . 3帧中的哪一个字段)？
A. The Source Address and Destination Addres
B. The packet data
C. Everything from the Destination Address on
D. Source Service Access Point (SSAP)
28) Which of the following fields is not common to both Ethernet_802.3 and Ethernet_802.2 frames (下面字段中的哪一个不是E t h e r e n e t 8 0 2 . 3和E t h e r n e t 8 0 2 . 3帧所共有的)？
A. Source Address
B. Length
C. DSAP
D. Data
29) In SAP packets, the numbers in the Service Type field are assigned by (在一个S A P数据包中，服务类型字段中的数字由谁给定)？
A. The system administrator
B. The end user
C. Novell
D. Server
30) SAP requests, responses, or broadcasts can be recognized by which value of source or destination socket number (SAP请求，响应或广播可以通过源或目的套接字数字中的哪一个值来识别)？
A. 0x0452
B. 0xE0
C. 0x03
D. 0x0453
31) In RIP Packets, the Hops Away and Time Ticks fields are valid both for request and response packets (在R I P数据包中，“跳距离”和“时间嘀嗒数”字段对于请求和响应数据包都是合法的)。
A. True
B. False
32) Up to how many RIP entriescan a single IPX packet hold (一个I P X数据包可以保留多少个R I P条目)？
A. 44
B. 47
C. 49
D. 51 |
