單項選擇題You are the Cisco Network Designer in Cisco.com. In your company site， a NAS is both physicall yand logically in the traffic path. The NAS identifies clients solely based on their MAC addresses. Inwhich access mode has this NAS been configured to operate？（）

A. Layer 2 mode
B. Layer 2 Edge mode
C. Layer 3 mode
D. Layer 3 In-Band mode


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1.單項選擇題Which IP telephony deployment model uses an H.225 Gatekeeper-Controlled trunk for calladmission control within existing H.323 environments？（）

A. single site with centralized call processing
B. single site with distributed call processing
C. multisite with centralized call processing
D. multisite with distributed call processing

2.多項選擇題Which two settings must be configured in order to use the GUI to configure Call Admission Controlwith voice applications？ （）

A. QoS must be set to Platinum
B. WMM must be enabled
C. QoS must be set to Gold
D. TSPEC must be disabled
E. Cisco Compatible Extensions must be disabled

3.多項選擇題When designing a converged network， which measures can be taken at the building access layerto help eliminate latency and ensure end-to-end quality of service can be maintained？（）

A. rate limit voice traffic
B. configure spanning-tree for fast link convergence
C. isolate voice traffic on separate VLANs
D. classify and mark traffic close to the source

5.多項選擇題What are disadvantages to storage directly attached to the application servers？ （）

A. reliability
B. scalability
C. redundancy
D. manageability

6.單項選擇題Which statement about IDS/IPS design is correct？（）

A. An IPS should be deployed if the security policy does not support the denial of traffic.
B. An IPS analyzes a copy of the monitored traffic and not the actual forwarded packet.
C. An IDS analyzes a copy of the monitored traffic and not the actual forwarded packet.
D. Bandwidth considerations must be taken into account since IDS is deployed inline to traffic flow.

8.單項選擇題As an experienced technician， you are responsible for Technical Support. Which of the followingdescriptions is correct about the characteristic of SLB one arm mode？（）

A. This out-of-band approach supports scaling
B. SLB· is not inline.
C. Mode is not as common as bridge or routed mode.
D. Return traffic requires PB·R， server default gateway pointing to SLB·， or client source NAT·

9.單項選擇題As an experienced technician， you are responsible for Technical Support. A customer calls to askthe best signal level and noise level for cell phone. How to respond？（）

A. -40dBm signal and -90dBm noise
B. -50dBm signal and -90dBm noise
C. -30dBm signal and -90dBm noise
D. -20dBm signal and -90dBm noise