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2017 Mar 200-310 study guide
Q71. In the enterprise data center, which are the three main components? (Choose three.)
A. Network Infrastructure
B. Interactive services
C. Data Center Management
D. Internet services
E. WAN services
F. VPN and remote access
Q72. Which two design approaches provide management of enterprise network devices? (Choose two.)
Q73. Which three terms describe the primary functions of the distribution layer of the campus network design hierarchy? (Choose three.)
A. provides end-user connectivity
B. provides high speed transport
C. provides QoS services
D. enforces security policies
E. provides WAN connections
F. connects access devices to the core backbone
Explanation: Link: http://www.cisco.com/en/US/docs/solutions/Enterprise/Campus/campover.html#wp708979
Q74. What is the acceptable amount of one-way network delay for voice and video applications?
A. 300 bytes
B. 1 sec C. 150 ms
D. 500 ms
Delay Components in VoIP Networks The ITU's G.I 14 recommendation specifics that the one-way delay between endpoints should not exceed 150 ms to be acceptable, commercial voice quality. In private networks, somewhat longer delays might be acceptable for economic reasons. The ITU G.114 recommendation specifics that 151-ms to 400-ms one-way delay might be acceptable provided that organizations are aware that the transmission time will affect the quality of user applications. One-way delays of above 400 ms are unacceptable for general network planning purposes.
Q75. Which WAN technology is a cost-effective method to deliver 100Mb of bandwidth to multiple branch offices?
D. Metro Ethernet
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Q76. An engineer has configured a router to send level 7 messages to a syslog server. What severity level are these messages?
Q77. What three considerations should be taken into account when selecting a routing protocol? (Choose three.)
A. classful routing
C. default route origination
D. multi vendor support
E. link load balancing
F. hop count
Q78. The enterprise campus core layer has requirements that are unique from the distribution and access layers. Which of the following is true about the core layer?
A. The core layer provides convergence using Layer 2 and Layer 3 services and features.
B. The core layer provides high availability to support the distribution layer connections to the enterprise edge.
C. The campus core layer is optional.
D. The core layer requires high performance to manage the traffic policing across the backbone.
Q79. You need to connect to a remote branch office via an Internet connection. The remote office does not use Cisco equipment. This connection must be secure and must support OSPF. Which of the following can be used to transport data to the branch office?
A. GRE over IPsec
D. IPsec VTI
Q80. Which is the equation used to derive a 64 Kbps bit rate?
A. 2 x 8 kHz x 4-bit code words
B. 8 kHz x 8-bit code words
C. 2 x 4-bit code words x 8 kHz
D. 2 x 4 kHz x 8-bit code words