Official 2014 Latest Cisco 640-864 Dump Free Download(81-90)!
QUESTION 81
A customer has the following Enterprise Campus design requirements:
at least 10 Gbps of bandwidth
network runs of up to 40km
no concern for transmission medium cost
Which transmission medium should you recommend to this customer?
A. unshielded twisted pair
B. shielded twisted pair
C. single-mode fiber
D. wireless
E. multimode fiber
Answer: C
QUESTION 82
You design a network with the following network addresses:
192.168.168.0
192.168.169.0
192.168.170.0
192.168.171.0
192.168.172.0
192.168.173.0
192.168.174.0
192.168.175.0
Which route address is the best summary of these network addresses?
A. 192.168.0.0/16
B. 192.168.168.0/21
C. 192.168.0.0/24
D. 192.168.171.128/3
E. 192.168.175.0/3
F. None of the above
Answer: B
QUESTION 83
Which two of the following statements represent a preferred wireless LWAPP implementation? (Choose two.)
A. verify open ports for:
Layer 2 LWAPP on ethertype OxBBBB
Layer 3 LWAPP on UDP 12222 and UDP 12223
B. use of Layer 3 LWAPP is preferred over Layer 2 LWAPP
C. use of Layer 2 LWAPP is preferred over Layer 3 LWAPP
D. verify open ports for:
Layer 2 LWAPP on ethertype OxBABA
Layer 3 LWAPP on UDP 12222 and TCP 12223
E. verify open ports for:
Layer 2 LWAPP on ethertype OxABAB
Layer 3 LWAPP on TCP 12222 and TCP 12223
Answer: AB
QUESTION 84
Which two capabilities of NetFlow accounting assist designers with network planning? (Choose two.)
A. the monitoring of processor time on network devices
B. the calculation of packet and byte counts of network traffic
C. the decoding and analyzing of packets
D. the presentation of a time-based view of application usage on the network
E. the monitoring of user network utilization
Answer: BE
QUESTION 85
What is the benefit of deploying a gatekeeper in an H.323 IP telephony network?
A. provides spatial redundancy through the use of HSRP
B. provides load balancing via GUP when alternate gatekeepers are deployed
C. reduces configuration complexity by centralizing the dial plan
D. increases redundancy by allowing each gateway to maintain a copy of the dial plan
Answer: C
QUESTION 86
An organization needs a WAN Transport technology that meets these criteria:
– Has a low initial cost
– Provides low-to-medium BW
– Has medium-to-high latency and jitter
Which technology would you suggest?
A. ISDN
B. X.25
C. analog modem
D. DSL
E. wireless
Answer: D
QUESTION 87
Which Cisco security solution offers protection against “day zero” attacks?
A. Cisco IOS IPS
B. Cisco IOS Firewall
C. Cisco Traffic Anomaly Detector
D. Cisco Adaptive Security Appliance
E. Cisco Security Agent
Answer: E
QUESTION 88
Which type of trunk is required in order to connect a fax machine to a PBX?
A. intra-office
B. Foreign Exchange Office
C. central office
D. Foreign Exchange Station
E. inter-office
Answer: D
QUESTION 89
Which H.323 protocol controls call setup between endpoints?
A. RTCP
B. H.245
C. H.225
D. RAS
Answer: C
QUESTION 90
Which two of these represent a best practice implementation of a Split MAC LWAPP deployment in a Cisco Unified Wireless Network? (Choose two.)
A. Each wireless client authentication type maps to a unique SSID which in turn maps to a unique
VLAN.
B. 802.1Q trunking extends from the wired infrastructure to the access point for translation into
SSID(s).
C. 802.1Q trunking extends from the wired infrastructure to a wireless LAN controller for translation
into SSID(s).
D. Each wireless client authentication type maps to a shared SSID which in turn maps to a common
shared VLAN.
E. Each wireless client authentication type maps to a unique SSID which in turn maps to a common
shared VLAN.
F. 802.1Q trunking extends from the wired infrastructure to a wireless LAN controller. Then the
802.1Q packet is encapsulated in LWAPP and sent to the access point for transmission over
the SSID(s).
Answer: AC
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