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Cisco 350-021 Exam - Cheat-Test.com

Free 350-021 Sample Questions:

1.What statement is correct?
A: An IP header is always smaller than 20 bytes.
B: An IP header is always 20 bytes.
C: An IP header is never bigger than 20 bytes.
D: An IP header is 20 bytes long, or larger if options are used.
E: None of the above
Answer: D

2.In order to enable baseline privacy, which are the minimum items required? (multiple answer)
A:Crypto images on the CMs and CMTSs
B:Class-of-Service Privacy Enable (0/1): 1
C:Have P images on the CMs and CMTSs
D:CMTS Authentication (0/1): 1
E:cable shared-secret [0 | 7] authentication-key
Answer: A, B

3.With CGMP enabled, which are unique about the following MAC address range: 01-00-5E-00-00-00 to 01-00-5E-00-00-FF? (multiple answer)
A:CGMP does not prune those MAC addresses.
B:They contain the CGMP Multicast addresses for the IGMP Leaves and IGMP Queries.
C:CGMP filters those MAC addresses when they arrive at the processor
D:They are the reserved IP addresses of 224.0.0.0 to 224.0.0.255 for forwarding local IP multicast traffic in a single Layer 3 hop.
Answer: A, B, D

4.The "Rec Power" field in the report produced by the "show cable modem" command includes an exclamation point (!) with the power level for a particular cable modem. This is an indication of:
A: The power level received from the CMTS by the cable modem and an indication that the level has changed
B: The RF power level received at the CMTS line card upstream port and an indication that the cable modem has reached its maximum transmit power level
C: The RF power level received at the CMTS line card upstream port and an indication that a power adjustment has been made
D: The power level received from the CMTS by the cable modem and an indication that the cable modem has reached its maximum transmit power level
Answer: B

5.To eliminate the need for adjacent routers on broadcast networks to form n(n-1)/2 adjacencies, IS-IS defines a pseudonode or Designated Intermediate System, DIS. All router on the broadcast medium form an adjacency with the DIS. The Backup DIS is called:
A: Redundant DIS
B: BDR
C: There is no concept of a backup DIS in IS-IS
D: Designated Redundant System
Answer: C

6.A DOCSIS 2-way data system is being designedto limit upstream traffic. Unknown modems should be kept from using precious Upstream bandwidth. Given these requirements, it should beensured that the DOCSIS configuration file has what set?
A: Vendor-specific information field
B: Max-cpe should be set to 1
C: CMTS authentication field should be set
D: Network Access should be set to 0
E: Downstream frequency should be set above 450 MHz
Answer: D



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