题目内容
（请给出正确答案）
[单选题]
下列关于文本的叙述中，错误的是
A.不同文本处理软件产生的文件中，文字属性标志和格式控制命令不完全相同
B.纯文本文件的后缀名通常是“.txt”。
C.Word产生的RTF文件中只有可打印的ASCII字符，不含任何属性标志和控制符号
D.超文本是一种网状结构的文本文件
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A.DSLAM
B.DSL modem
C.ERX Edge Router
D.customer workstation
更多“下列关于文本的叙述中，错误的是A．不同文本处理软件产生的文件…”相关的问题
第1题
A user is connected on a DSL line and is using a PPP over Ethernet service.Which network device strips the ATM header from the datagram and investigates the PPP header？（）
第2题
A user is connected on a DSL line and is using a PPP over Ethernet service. Which network device encapsulates the datagram inside of an ATM header？（）
A.DSLAM
B.DSL modem
C.ERX Edge Router
D.customer workstation
第3题
What is the purpose of configuring the router as a PPPoE client？（）
A. to provide VPN access over L2TP
B. to enable PPP session from the router to the termination device at the headend for metro Ethernet connectivity
C. for DSL connectivity and removing the need for the end - user PC to ru n the PPPoE client software
D. for connecting the router to a cable modem, which bridges the Ethernet frames from the router to the cable modem termination system
第4题
The ERX Edge Router is configured for PPP over Ethernet without using VLAN tagging. How many PPP over Ethernet major interfaces can be configured per port？（）
A．1
B．100
C．2048
D．4096
第5题
A workstation would MOST likely be connected to an office network using which of the followingcable types？（）
A．eSATA
B．Bluetooth
C．SCSI
D．Ethernet
第6题
Which DSL encapsulation method requires client software running on the end - user PC that is directly connected to a DSL modem？（）
A．PPPoA
B． PPPoE
C． PPP
D． L2TP
E． ATM
第7题
A home user wants to setup a wireless network. Which of the following would be the MOST important consideration？（）
A. Operating system type of the connected PCs
B. Location of the wireless router
C. Number of PCs that will access the network
D. Number of available Ethernet ports on the router
第8题
Which three of these Metro Ethernet services map to E-Line services that are defined by the MEF？（）
A. Ethernet Private Line
B. Ethernet Wire Service
C. Ethernet Relay Service
D. Ethernet Multipoint Service
E. Ethernet Relay Multipoint Service
第9题
When multiple PPP over Ethernet subscribers connect using the same DSL modem, which two attributes does the ERX use to differentiate between subscribers？ （）（Choose two.)
A. PPP session ID
B. subscriber name
C. source MAC address
D. destination MAC address
第10题
Which two of these are characteristics of Metro Ethernet？ （）
A. class of service
B. bandwidth profiles
C. user-network interface
D. Ethernet LAN circuit attributes
E. Ethernet virtual circuit attributes
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