2014 Latest Cisco 350-001 Dump Free Download(271-280)!
QUESTION 271
Which two multicast addresses are reserved for use by ALL-PIM-ROUTERS? (Choose two.)
A. 224.0.0.13
B. 224.0.0.17
C. 224.0.0.39
D. ff02::d
E. ff02::39
F. ff02::13
Answer: AD
Explanation:
http://www.routeralley.com/ra/docs/multicast.pdf (see page 2)
QUESTION 272
Which value is used in the PIM TYPE field to indicate a Register message?
A. 0
B. 1
C. 2
D. 3
Answer: B
Explanation:
http://technet.microsoft.com/en-us/library/bb742462.aspx (see Dr election)
QUESTION 273
What does the beginning of a multicast address look like, if it is used for embedded RP?
A. FF7
B. FF
C. FF3
D. Embedded RP does not use any special IPv6 address.
Answer: A
Explanation:
Embedded RP defines an address allocation policy in which the address of the RP is encoded in an IPv6 multicast group address. This allows an easy deployment of scalable inter-domain multicast and simplifies the intra-domain multicast configuration as well. IPv6 Multicast group addresses embedded with RP information start with ff70::/12 where the flag value of 7 means embedded RP.
http://www.cisco.com/en/US/prod/collateral/iosswrel/ps6537/ps6552/whitepaper_c11- 508498.html
QUESTION 274
Which command is used to enable SSM with the range 232.0.0.0/8?
A. ip pim ssm default
B. ip pim ssm 232.0.0.0 255.0.0.0
C. ip pim ssm range 50 access-list 50 permit 232.0.0.0 15.255.255.255
D. ip pim enable default
Answer: A
Explanation:
http://packetlife.net/blog/2010/jul/27/source-specific-multicast-pim-ssm/ (see PIM-SSM configuration)
QUESTION 275
Which IPv6 multicast address is reserved for use by all PIM routers?
A. ff02::39
B. ff02::13
C. ff02::d
D. ff02::17
Answer: C
Explanation:
If the IPv6 Destination Address field is the multicast address ALL-PIM-ROUTERS, the IPv6 form of the address (ff02::d) is used. These IPv6 PIM control messages are of course not transmitted natively over the service provider’s network, but rather are encapsulated in GRE/IPv4.
QUESTION 276
Which RFC number contains the specification for Protocol Independent Multicast sparse mode?
A. 1011
B. 1918
C. 2044
D. 4061
Answer: D
Explanation:
http://www.ietf.org/rfc/rfc4601.txt
QUESTION 277
Which two are differences between IGMPv2 and IGMPv3 reports? (Choose two.)
A. IGMPv3 adds the ability to include or exclude source lists.
B. All IGMPv2 hosts send reports to destination address 224.0.0.22.
C. Only IGMPv3 reports may contain multiple group state records.
D. All IGMPv3 hosts send reports to destination address 224.0.0.23.
E. IGMPv2 does not support the Leave Group message.
Answer: AC
Explanation:
http://www.juniper.net/techpubs/software/erx/junose700/swconfig-routing-vol1/html/ip- multicast-config14.html (see including and excluding traffic)
QUESTION 278
Which value is used in the PIM TYPE field to indicate a register-stop message?
A. 0
B. 1
C. 2
D. 3
Answer: C
Explanation:
http://www.iana.org/assignments/pim-parameters/pim-parameters.xhtml (see PIM message types)
QUESTION 279
Which two statements are true about the Inside Global address in NAT? (Choose two.)
A. the IP address of an inside host as it appears to the outside network
B. the IP address of an outside host as it appears to the inside network
C. if the enterprise is connected to the global Internet, this address can be allocated from a globally unique
address space
D. if the enterprise is connected to the global Internet, this address can be allocated from the space defined
by RFC 1918
Answer: AC
Explanation:
“global” is what you see on the Internet, “local” is what you see in your company “inside”/”outside” is where the box physically resides Obviously, you can only use globally unique addresses for global addresses.
QUESTION 280
Which statement is true about shaping?
A. Shaping supports queuing of excess traffic.
B. Shaping can be applied both input and output on interfaces.
C. Shaping does not introduce delay in voice packet handling in the event of congestion.
D. Shaping makes instantaneous packet drop decisions.
Answer: A
Explanation:
Traffic shaping retains excess packets in a queue and then schedules the excess for later transmission over increments of time. The result of traffic shaping is a smoothed packet output rate. In contrast, traffic policing propagates bursts. When the traffic rate reaches the configured maximum rate, excess traffic is dropped (or remarked). The result is an output rate that appears as a saw-tooth with crests and troughs.
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