A computer is connec...

单项选择题A computer is connected to the network through a NIC， which has a unique assignment that is called the Ethernet MAC address. Which layer of the OSI model does the MAC address use to communicate with the network？（）

A. network
B. application
C. session
D. data link

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1.多项选择题Address translation is another component of Layer 3 design. Which two types of address translation allow an IP Address to be duplicated？（）

A. PAT
B. CAT
C. NAT
D. DAT
E. FAT

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2.多项选择题Which two WAN interfaces does the Cisco SRP 520 Series support？（）

A. passive optical network （PON）
B. serial
C. Fibre Channel
D. Fast Ethernet
E. ADSL2+

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3.多项选择题What are three features that are included with the purchase of a Cisco SA 520？（）

A. Cisco Intrusion Prevention System
B. DMZ
C. business-grade firewall
D. Cisco Small Business Pro Service
E. VPN capabilities
F. ProtectLink Gateway

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4.多项选择题Which three post-sales Smart Design documents are available to help you better serve your customers？（）

A. Quick Quoting Tool
B. Smart Business Communications System
C. Overview Presentation
D. Cisco Configuration Assistant
E. Solution Profile
F. Small Business Product Guide

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5.单项选择题What is the difference between Cisco Catalyst 2960 LAN Base Series and Cisco Catalyst 2960 LAN Lite Series？（）

A. Only the Cisco Catalyst 2960 LAN Base Series offers enhanced Layer 2+ intelligent LAN services.
B. Only the Cisco Catalyst 2960 LAN Lite Series supports Power over Ethernet.
C. Only the Cisco Catalyst 2960 LAN Base Series can be managed by Cisco Network Assistant.
D. Only the Cisco Catalyst 2960 LAN Lite Series supports Gigabit Ethernet uplinks

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6.单项选择题Wireless components must work together for interoperability and performance. Which standard has specifications that are 2.4 GHz， 54 Mb/s， and a range of 150 feet？（）

A. 802.11n
B. 802.11b
C. 802.11a
D. 802.11g

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7.多项选择题What three elements are included with Cisco Small Business Pro Service？（）

A. five-year subscription terms
B. next business day advanced hardware replacement
C. access to the Cisco Small Business Support Center
D. Cisco SMARTnet
E. software upgrades and updates
F. access to the Cisco Small Business University

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8.多项选择题Bridges and switches are Layer 2 devices that provide the same basic functionality but that also have some differences. Which two traits apply to switches only？（）

A. supports Layer 2 VLANs
B. segment LANs
C. are faster because forwarding decisions are made on hardware
D. typically have fewer ports because forwarding decisions are made in software
E. flood frames out all ports

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9.多项选择题In Cisco Network Attached Storage solutions， what are two common high-availability features for small business？（）

A. XFS file system
B. support for RAID 4
C. 10 Gigabit Ethernet connections
D. lifetime warranty
E. SMART disk support

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10.单项选择题The Cisco Smart Business Communications System offers support of third-party applications. When using TimeCard View， what device is used by employees to clock in and clock out？（）

A. IP phone
B. wireless access point
C. secure router
D. time clock

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