多項(xiàng)選擇題You are the network consultant from passguide.com. You should tell your clients Two technologies help them save much time from complex computing. （）

A.VPN
B.InfiniBand
C.SCSI over IP
D.Remote Direct Memory Access


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1.單項(xiàng)選擇題Which Cisco product family can simultaneously implement firewall, VPN, content security, network access control, virtualization, anD content filtering?（）

A.intrusion prevention systems
B.catalyst switches
C.adaptive security appliances
D.protect link gateway

2.單項(xiàng)選擇題Which Internet Protocol(IP) telephony element is best categorizedas a voice application component?（）

A.Voice gateway
B.Private branch exchange (PBX)
C.Advanced audio conferencing software
D.IP telephone

3.單項(xiàng)選擇題Which IP telephony component provides call processing, such as signaling, that in a traditional voice network is provided by switching equipment, such as a PBX?（）

A.Advanced call-handling software, such as Cisco Unity
B.Call-management hardware and software, such as CiscoCallManager
C.Client-based software, such as CiscoSoftPhone
D.Voice gateways, such as the Cisco VG248 Analog Phone Gateway

4.單項(xiàng)選擇題Which network technology allows for the monitoring of active communication networks to diagnose problems and gather statistics for network administration?（）

A.Content networking
B.Campus local-area networking
C.Network management
D.Network security

6.多項(xiàng)選擇題Which three of these are benefits of telepresence and video collaboration?（）

A.do more with less
B.provide a unified tool for all business processes
C.influence competitive advantage and business agility through faster decision-making and new business processes and models
D.eliminate miscommunication
E.reduce the need to personalize communications with customers
F.transform your business and organization and be greener

7.單項(xiàng)選擇題Wide Area Network (WAN) is a computer network that covers a broad areA. Which statement is correct for wide-area network (WAN)?（）

A.Limited in a single building, a group of buildings, or even a single room
B.Crosses metropolitan, regional, or national boundaries
C.Encompasses an entire city or metropolitan area and connects multiple local-area networks (LANs)
D.Connects client devices wireless protocol

8.單項(xiàng)選擇題Which WLAN device is often used to make wireless connections between buildings or campuses?（）

A.access point
B.client adapter
C.bridge
D.router

9.單項(xiàng)選擇題Which software-based security threat is typically spread from user to user via e-mail?（）

A.Data interception
B.Virus
C.Trojan horse
D.Denial of service

10.單項(xiàng)選擇題What does a router do?（）

A.Routes traffic down alternative paths and connects the local-area network (LAN) to the wide- area network (WAN)
B.Reads Media Access Control (MAC) addresses to forward messages to the correct location and connects the local-area network (LAN) to the wide-area network (WAN)
C.Stores data on the network and connects the local-area network (LAN) to the wide-area network (WAN)
D.Broadcasts data to all devices that are connected to it across the local-area network (LAN) and wide-area network (WAN)