單項選擇題An organization hires a contractor who only needs access to email and a group calendar. They donot need administrator access to the computer. Which VPN model is the most appropriate？（）

A. Thin Model
B. Thick Client
C. Port Forwarding
D. Clientless Access
E. Layer 3 Network Access


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1.單項選擇題Which of these recommended designs provides the highest availability？（）

A. map the Layer 2 VLAN number to the Layer 3 subnet
B. control route propagation to edge switches using distribute lists
C. use a Layer 2 distribution interconnection link with HSRP or GLBP
D. use a Layer 3 distribution interconnection link with HSRP or GLBP
E. use equal-cost Layer 3 load balancing on all links to limit the scope of queries in EIGRP

2.單項選擇題Which of these is a correct description of SSO？（）

A. It will only become active after a software failure.
B. It will only become active after a hardware failure.
C. It requires that Cisco NSF be enabled in order to work successfully.
D. It synchronizes the MAC·， FIB·， and adjacency tables between Active and Standby RouteProcessors.

3.單項選擇題Which of these statements is correct regarding SSO and Cisco NSF？（）

A. Utilizing Cisco NSF in Layer 2 environments can reduce outages to one to three seconds.
B. Utilizing SSO in Layer 3 environments can reduce outages to one to three seconds.
C. Distribution switches are single points of failure causing outages for the end devices.
D. Utilizing Cisco NSF and SSO in a Layer 2 environment can reduce outages to less than onesecond.
E. NSF and SSO with redundant supervisors have the most impact on outages at the accesslayer.

4.單項選擇題What is the recommended practice when considering VPN termination and firewall placement？（）

A. have the firewall and VPN appliance deployed in parallel
B. place the VPN in line with the firewall， with the VPN terminating inside the firewall
C. place the public side of the VPN termination device in the DMZ behind a firewall
D. place the VPN in line with the firewall， with the VPN terminating outside the firewall

5.單項選擇題When a router has to make a rate transition from LAN to WAN， what type of congestion needs should be considered in the network design？（）

A. RX-queue deferred
B. TX-queue deferred
C. RX-queue saturation
D. TX-queue saturation
E. RX-queue starvation
F. TX-queue starvation