單項選擇題What is A WAN?()

A.A network that is restricted.to A single building ,A group of buildings, or even A single room.
B.A network that encompasses an entire city or metropolitanared and connects multiple LANs.
C.A network that connects client devices wirelessly using radio waves.
D.A network that crosses metropolitan, regional, or national boundaries.


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題What is the goal of the borderless network architecture?()

A.to provide users with A single device that permits access to information anywhere
B.to provide users with the same productivity and access to information no matter where are or which device they use
C.to eliminate the need for border security and firewalls
D.to provide companies with A way to extend their security and control over employees on the internet

3.單項選擇題Which cisco product portfolio allows users to access their email, voice, and fax messagesfrom A single inbox anytime, anywhere?()

A. Cisco Unity
B. CiscoIntegrated Messaging
C. Cisco WebEx Connect
D. CiscoUnified Personal Communicator

5.多項選擇題Internet Protocol videoconferencing (IP/VC) provides which two business benefits? ()

A. Reduced travel time for instructors responsible for different geographic sites
B. Real-time discussions of patient information among remote medical teams
C. Improved morale and reduced turnover among employees who receive timely business Updates
D. Increased sales and customer satisfaction due to current product information disseminated simultaneously to a global sales force by headquarters

6.單項選擇題Which network technology addresses these customer business needs: shrinking budgets and ITstaffs, more complex networks, and an increased need for network security?()

A. Optical network
B. Storage-area network (SAN)
C. Content delivery network (CDN)
D. Network management

7.單項選擇題The cisco ironport portfolio performs which service?()

A. reduces the downtime that is asassocoated with spam,viruses,and blended threats that are delivered via email
B. determines if A user or device is authorized to access A switch port
C. defends thepenmeter from malicious users and unauthorized traffic
D. providesA secure communication path through the internet

9.多項選擇題Which two Internet Protocol (IP) telephony devices are best categorized as infrastructurecomponents?()

A. Call management software
B. Media Convergence Servers (MCSs)
C. Voice gateways
D. IP telephones

10.多項選擇題What are three common reasons why customers are saying that they need to evolve their datacenter?()

A. architectures that is inflexible and inefficient
B. desire to use the same vender for desktop and server deployments
C. selecting best-performing vendors for each individual component
D. existing equipment has reached and of life
E. increasing operational costs of managing data centers
F. demand among users for access to information anytime, anywhere