CCIE SP Written Exam (Version 3.0)
Number: 350-029
Passing Score: 790
Time Limit: 120 min
File Version: 421Q+69
QUESTION 301
RFC 3270 describes Differentiated Services (Diff-Serv) over Multi-Protocol Label Switching (MPLS) networks. Which model alters Differentiated Services (DiffServ) code points set in different Differentiated Services (Diff-Serv) domain?
A. None of the above will alter Differentiated Services (Diff-Serv) code points set in different Differentiated Services (Diff-Serv) domain.
B. Uniform model
C. Pipe Model
D. Short Pipe
Correct Answer: B
QUESTION 302
Which ACL entry can be used to block Teredo tunnels?
A. Teredo tunnels cannot be blocked
B. deny udp any any 3544
C. deny ipv6 udp any any 3544
D. deny 41 any any
Correct Answer: B
QUESTION 303
Which three of these can be a forwarding equivalence class? (Choose three)
A. IPSec tunnel
B. routing equivalence paths
C. traffic engineering tunnel
D. bridge or switch instance
E. groups of IP addresses
Correct Answer: CDE
QUESTION 304
How many messages does Internet Key Exchange use to negotiate SA characteristics when it runs in aggressive mode?
A. 3
B. 4
C. 5
D. 2
E. 6
Correct Answer: A
QUESTION 305
Refer to the exhibit.
All routers are running IS-IS. Which routers must be Level 2 routers?
A. B, D, E and G
B. A, D, E, and H
C. B, C, F, and G
D. B, C, E, F, and G
E. A, B, C, D, F, G, and H
Correct Answer: D
QUESTION 306
In PIM-SM operations, to which device does the first router that connects with the multicast source send the register message?
A. RP
B. multicast source
C. IGMP router
D. multicast receiver
E. PIM designated router
Correct Answer: A
QUESTION 307
Where is the MPLS label imposed?
A. after the Layer 3 header and before the Layer 2 payload
B. after the Layer 3 header and before the Layer 4 payload
C. after the Layer 2 header and before the Layer 1 payload
D. after the Layer 1 header and before the Layer 2 payload
E. after the Layer 2 header and before the Layer 3 payload
Correct Answer: E
QUESTION 308
Which statement about PIM sparse mode operations is true?
A. It does not support all underlying unicast routing protocols like BGP
B. Receivers are registered with RP by their first hop router
C. From the RP, traffic flows down a source tree to each receiver.
D. It supports shared trees only, and assumes all hosts want the multicast traffic
E. Receivers are joined to the shared tree by their local designated router
Correct Answer: E
QUESTION 309
Which router or router combination is used to calculate the MPLS traffic engineering tunnel path?
A. head-end router and tail-end router
B. middle-point router
C. head-end router
D. tail-end router
Correct Answer: C
QUESTION 310
Which two statements about MPLS Label Distribution Protocol (LDP) are true? (Choose two)
A. LDP hello packets are sent to TCP 646.
B. LDP session packets are sent to TCP 646.
C. LDP session packets are sent to TCP 711.
D. LDP hello packets are sent to TCP 711.
E. LDP hello packets are sent to UDP 711.
F. LDP hello packets are sent to UDP 646.
Correct Answer: BF
QUESTION 311
What best describes the usage of Route-Target rewrite?
A. Route-Target Rewrite is mainly used in Inter-AS MPLS-VPN deployments and is configured at the Route-Reflector in originating AS ASBR to avoid
misconfiguration in Route-Target assignment for VPN configurations.
B. Route-Target Rewrite is mainly used in Inter-AS MPLS-VPN deployments and is configured at the ASBR to avoid misconfiguration in Route-Target assignment
for VPN configurations.
C. Route-Target Rewrite is mainly used in Inter-AS MPLS-VPN deployments and is configured at the PE router in originating AS ASBR to avoid misconfiguration
in Route-Target assignment for VPN configurations.
D. None of the above.
Correct Answer: B
QUESTION 312
Having the above BGP peerings, select the two configurations for rtrB that will fulfill the following criteria:
-Will advertise all routes from rtrA to rtrD but not to rtrC -Will advertise the routes from rtrD to rtrC
. router bgp 2 neighbor 1.1.1.1 remote-as 1 neighbor 1.1.1.1 route-map rtrA in ! route-map rtrA permit 10 set community no-advertise !
B. router bgp 2 neighbor 1.1.1.1 remote-as 1 neighbor 1.1.1.1 route-map rtrA in ! route-map rtrA permit 10 set community no-export !
C. router bgp 2 neighbor 1.1.1.1 remote-as 1 neighbor 1.1.1.1 route-map rtrA in neighbor 3.3.3.3 remote-as 3 neighbor 3.3.3.3 route-map rtrC out ! route-map rtrA
permit 10 set community 5 ! route-map rtrC permit 10 match community 5 !
D. router bgp 2 neighbor 1.1.1.1 remote-as 1 neighbor 1.1.1.1 route-map rtrA in neighbor 3.3.3.3 remote-as 3 neighbor 3.3.3.3 route-map rtrC out
! route-map rtrA permit 10 set community 5 ! route-map rtrC permit 10 match community 5 ! route-map rtrC permit 20 !
Correct Answer: BD
QUESTION 313
What protocol is used for Path Setup in MPLS traffic engineering?
A. BGP
B. PIM
C. ISIS
D. OSPF
E. RSVP
Correct Answer: E
QUESTION 314
Which of the following comparison of Control Plane Policing (CoPP) with Receive ACL (Racl) is correct?
A. CoPP protects against IP spoofing; Racl protects against DoS attacks.
B. CoPP can not use named access lists; Racl can use named access lists
C. CoPP applies to a dedicated control plane interface; Racl applies to all interfaces.
D. CoPP needs a AAA server, Racl does not need a AAA server
E. CoPP supports rate limits; Racl does not support rate limits
Correct Answer: CE
QUESTION 315
VoIP bearer traffic is typically marked to which DSCP value?
A. af41
B. af31
C. 0 (default)
D. cs7
E. cs3
F. ef
Correct Answer: F
QUESTION 316
MPLS label headers for packet media consist of:
A. Version
B. Label
C. COS/EXP
D. TTL
E. S flag
Correct Answer: BCDE
QUESTION 317
Select 3 AVPs (Attribute-Value Pair) which MUST be present in the ICRQ:
A. Called Number
B. Call Serial Number
C. Message Type
D. Calling Number
E. Assigned Session ID
Correct Answer: BCE
QUESTION 318
The ASBR-summary LSA is:
A. Generated by the ABR and describes reachabilty to the ASBR for routers in the same area with the ASBR
B. Generated by the ASBR and describes reachability to itself
C. Generated by the ABR and describes reachabilty to the ASBR for routers in a different area from the ASBR
D. Generated by the ASBR and describes reachabilty to the ABR
Correct Answer: C
QUESTION 319
Unicast Reverse Path Forwarding (Urpf ) can work in the following modes:
A. Safe mode
B. Loose mode
C. Strict mode
D. Express mode
E. Tunnel mode
Correct Answer: BC
QUESTION 320
Which command will display the MPLS label binding for IP prefix 1.1.1.0 on the router?
A. All of the above.
B. show tag-switching tdp binding 1.1.1.0/24
C. show tag-switching tdp bindings neighbor 1.1.1.0
D. A and B both will show the binding.
E. show tag-switching interface e0/0
Correct Answer: B
QUESTION 321
What is true regarding Autonomous Systems (AS)?
A. All of the Above
B. AS numbers are assigned by the IANA
C. AS numbers are used by BGP (Border Gateway protocol to exchange IP routing information with neighboring AS
D. In the internet, an Autonomous System (AS) is a collection of IP networks and routers under the control
Correct Answer: A
QUESTION 322
Which of the following processes are likely to be found in a microkernel?
A. Memory management
B. Lightweight messaging
C. Process scheduling
D. Hardware abstraction
E. Host stack
F. All of the above
Correct Answer: F
QUESTION 323
What statement is true?
A. Link Control Protocol (LCP) is used for denying PPP connections to unauthorized devices.
B. Link Control Protocol (LCP) is used for basic PPP link setup and operation
C. Link Control Protocol (LCP) for PPP is synonymous to ARP for Ethernet.
D. None of the above.
Correct Answer: B
QUESTION 324
What will significantly degrade DSL performance, regardless of DSL rate or line length? Select all that apply
A. Micro liters installed between a telephone and shared line.
B. POTS splitters at the subscriber's end of the DSL line
C. POTS splitters at the telco CO.
D. None of the other alternatives apply.
Correct Answer: D
QUESTION 325
What is true regarding Cisco Network Registrar in Cable networks?
A. It provides comprehensive Domain Name system
B. It provides DHCP administrative functionality
C. It provides TFTP server functionality.
D. All of the above are true.
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 326
In optical transmission systems, chirped lasers are used for the purpose of:
A. Turning the laser to a specific ITU channel
B. Keeping the signal wavelength "locked" to a specific technology
C. Suppressing FWM and SBS non-linear effects
D. None ofthe above
Correct Answer: D
QUESTION 327
When gateways are registering with a gatekeeper, the gatekeeper can be
A. On the same subnet
B. On a remote LAN
C. In a different subnet
D. Any of the above
Correct Answer: D
QUESTION 328
Which two IOS commands are equivalents for putting a Cisco 7500 OC-12 RPR interface card into wrapped mode? Select all that apply
A. shutdown [a | b]
B. srp shutdown [a | b]
C. srp ips request manual-switched [a | b]
Correct Answer: BC
QUESTION 329
Which statement is FALSE concerning the interleave depth value?
A. A higher interleave depth provides more protection from burst of noise on the HFC network
B. Higher interleave depth increase downstream latency.
C. Lower interleave depth cause some packet loss on typical HFC networks
D. None ofthe above
Correct Answer: D
QUESTION 330
GMPLS is based upon Non-Packet-based devices
A. True
B. False
Correct Answer: A
QUESTION 331
Which three IS-IS TLVs are used to support MPLS traffic engineering? (Choose three).
A. extended TLV 22
B. extended TLV 23
C. extended TLV 134
D. extended TLV 135
E. extended TLV 136
F. extended TLV 138
Correct Answer: ACD
RFC 3270 describes Differentiated Services (Diff-Serv) over Multi-Protocol Label Switching (MPLS) networks. Which model alters Differentiated Services (DiffServ) code points set in different Differentiated Services (Diff-Serv) domain?
A. None of the above will alter Differentiated Services (Diff-Serv) code points set in different Differentiated Services (Diff-Serv) domain.
B. Uniform model
C. Pipe Model
D. Short Pipe
Correct Answer: B
QUESTION 302
Which ACL entry can be used to block Teredo tunnels?
A. Teredo tunnels cannot be blocked
B. deny udp any any 3544
C. deny ipv6 udp any any 3544
D. deny 41 any any
Correct Answer: B
QUESTION 303
Which three of these can be a forwarding equivalence class? (Choose three)
A. IPSec tunnel
B. routing equivalence paths
C. traffic engineering tunnel
D. bridge or switch instance
E. groups of IP addresses
Correct Answer: CDE
QUESTION 304
How many messages does Internet Key Exchange use to negotiate SA characteristics when it runs in aggressive mode?
A. 3
B. 4
C. 5
D. 2
E. 6
Correct Answer: A
QUESTION 305
Refer to the exhibit.
A. B, D, E and G
B. A, D, E, and H
C. B, C, F, and G
D. B, C, E, F, and G
E. A, B, C, D, F, G, and H
Correct Answer: D
QUESTION 306
In PIM-SM operations, to which device does the first router that connects with the multicast source send the register message?
A. RP
B. multicast source
C. IGMP router
D. multicast receiver
E. PIM designated router
Correct Answer: A
QUESTION 307
Where is the MPLS label imposed?
A. after the Layer 3 header and before the Layer 2 payload
B. after the Layer 3 header and before the Layer 4 payload
C. after the Layer 2 header and before the Layer 1 payload
D. after the Layer 1 header and before the Layer 2 payload
E. after the Layer 2 header and before the Layer 3 payload
Correct Answer: E
QUESTION 308
Which statement about PIM sparse mode operations is true?
A. It does not support all underlying unicast routing protocols like BGP
B. Receivers are registered with RP by their first hop router
C. From the RP, traffic flows down a source tree to each receiver.
D. It supports shared trees only, and assumes all hosts want the multicast traffic
E. Receivers are joined to the shared tree by their local designated router
Correct Answer: E
QUESTION 309
Which router or router combination is used to calculate the MPLS traffic engineering tunnel path?
A. head-end router and tail-end router
B. middle-point router
C. head-end router
D. tail-end router
Correct Answer: C
QUESTION 310
Which two statements about MPLS Label Distribution Protocol (LDP) are true? (Choose two)
A. LDP hello packets are sent to TCP 646.
B. LDP session packets are sent to TCP 646.
C. LDP session packets are sent to TCP 711.
D. LDP hello packets are sent to TCP 711.
E. LDP hello packets are sent to UDP 711.
F. LDP hello packets are sent to UDP 646.
Correct Answer: BF
QUESTION 311
What best describes the usage of Route-Target rewrite?
A. Route-Target Rewrite is mainly used in Inter-AS MPLS-VPN deployments and is configured at the Route-Reflector in originating AS ASBR to avoid
misconfiguration in Route-Target assignment for VPN configurations.
B. Route-Target Rewrite is mainly used in Inter-AS MPLS-VPN deployments and is configured at the ASBR to avoid misconfiguration in Route-Target assignment
for VPN configurations.
C. Route-Target Rewrite is mainly used in Inter-AS MPLS-VPN deployments and is configured at the PE router in originating AS ASBR to avoid misconfiguration
in Route-Target assignment for VPN configurations.
D. None of the above.
Correct Answer: B
QUESTION 312
Having the above BGP peerings, select the two configurations for rtrB that will fulfill the following criteria:
-Will advertise all routes from rtrA to rtrD but not to rtrC -Will advertise the routes from rtrD to rtrC
. router bgp 2 neighbor 1.1.1.1 remote-as 1 neighbor 1.1.1.1 route-map rtrA in ! route-map rtrA permit 10 set community no-advertise !
B. router bgp 2 neighbor 1.1.1.1 remote-as 1 neighbor 1.1.1.1 route-map rtrA in ! route-map rtrA permit 10 set community no-export !
C. router bgp 2 neighbor 1.1.1.1 remote-as 1 neighbor 1.1.1.1 route-map rtrA in neighbor 3.3.3.3 remote-as 3 neighbor 3.3.3.3 route-map rtrC out ! route-map rtrA
permit 10 set community 5 ! route-map rtrC permit 10 match community 5 !
D. router bgp 2 neighbor 1.1.1.1 remote-as 1 neighbor 1.1.1.1 route-map rtrA in neighbor 3.3.3.3 remote-as 3 neighbor 3.3.3.3 route-map rtrC out
! route-map rtrA permit 10 set community 5 ! route-map rtrC permit 10 match community 5 ! route-map rtrC permit 20 !
Correct Answer: BD
QUESTION 313
What protocol is used for Path Setup in MPLS traffic engineering?
A. BGP
B. PIM
C. ISIS
D. OSPF
E. RSVP
Correct Answer: E
QUESTION 314
Which of the following comparison of Control Plane Policing (CoPP) with Receive ACL (Racl) is correct?
A. CoPP protects against IP spoofing; Racl protects against DoS attacks.
B. CoPP can not use named access lists; Racl can use named access lists
C. CoPP applies to a dedicated control plane interface; Racl applies to all interfaces.
D. CoPP needs a AAA server, Racl does not need a AAA server
E. CoPP supports rate limits; Racl does not support rate limits
Correct Answer: CE
QUESTION 315
VoIP bearer traffic is typically marked to which DSCP value?
A. af41
B. af31
C. 0 (default)
D. cs7
E. cs3
F. ef
Correct Answer: F
QUESTION 316
MPLS label headers for packet media consist of:
A. Version
B. Label
C. COS/EXP
D. TTL
E. S flag
Correct Answer: BCDE
QUESTION 317
Select 3 AVPs (Attribute-Value Pair) which MUST be present in the ICRQ:
A. Called Number
B. Call Serial Number
C. Message Type
D. Calling Number
E. Assigned Session ID
Correct Answer: BCE
QUESTION 318
The ASBR-summary LSA is:
A. Generated by the ABR and describes reachabilty to the ASBR for routers in the same area with the ASBR
B. Generated by the ASBR and describes reachability to itself
C. Generated by the ABR and describes reachabilty to the ASBR for routers in a different area from the ASBR
D. Generated by the ASBR and describes reachabilty to the ABR
Correct Answer: C
QUESTION 319
Unicast Reverse Path Forwarding (Urpf ) can work in the following modes:
A. Safe mode
B. Loose mode
C. Strict mode
D. Express mode
E. Tunnel mode
Correct Answer: BC
QUESTION 320
Which command will display the MPLS label binding for IP prefix 1.1.1.0 on the router?
A. All of the above.
B. show tag-switching tdp binding 1.1.1.0/24
C. show tag-switching tdp bindings neighbor 1.1.1.0
D. A and B both will show the binding.
E. show tag-switching interface e0/0
Correct Answer: B
QUESTION 321
What is true regarding Autonomous Systems (AS)?
A. All of the Above
B. AS numbers are assigned by the IANA
C. AS numbers are used by BGP (Border Gateway protocol to exchange IP routing information with neighboring AS
D. In the internet, an Autonomous System (AS) is a collection of IP networks and routers under the control
Correct Answer: A
QUESTION 322
Which of the following processes are likely to be found in a microkernel?
A. Memory management
B. Lightweight messaging
C. Process scheduling
D. Hardware abstraction
E. Host stack
F. All of the above
Correct Answer: F
QUESTION 323
What statement is true?
A. Link Control Protocol (LCP) is used for denying PPP connections to unauthorized devices.
B. Link Control Protocol (LCP) is used for basic PPP link setup and operation
C. Link Control Protocol (LCP) for PPP is synonymous to ARP for Ethernet.
D. None of the above.
Correct Answer: B
QUESTION 324
What will significantly degrade DSL performance, regardless of DSL rate or line length? Select all that apply
A. Micro liters installed between a telephone and shared line.
B. POTS splitters at the subscriber's end of the DSL line
C. POTS splitters at the telco CO.
D. None of the other alternatives apply.
Correct Answer: D
QUESTION 325
What is true regarding Cisco Network Registrar in Cable networks?
A. It provides comprehensive Domain Name system
B. It provides DHCP administrative functionality
C. It provides TFTP server functionality.
D. All of the above are true.
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 326
In optical transmission systems, chirped lasers are used for the purpose of:
A. Turning the laser to a specific ITU channel
B. Keeping the signal wavelength "locked" to a specific technology
C. Suppressing FWM and SBS non-linear effects
D. None ofthe above
Correct Answer: D
QUESTION 327
When gateways are registering with a gatekeeper, the gatekeeper can be
A. On the same subnet
B. On a remote LAN
C. In a different subnet
D. Any of the above
Correct Answer: D
QUESTION 328
Which two IOS commands are equivalents for putting a Cisco 7500 OC-12 RPR interface card into wrapped mode? Select all that apply
A. shutdown [a | b]
B. srp shutdown [a | b]
C. srp ips request manual-switched [a | b]
Correct Answer: BC
QUESTION 329
Which statement is FALSE concerning the interleave depth value?
A. A higher interleave depth provides more protection from burst of noise on the HFC network
B. Higher interleave depth increase downstream latency.
C. Lower interleave depth cause some packet loss on typical HFC networks
D. None ofthe above
Correct Answer: D
QUESTION 330
GMPLS is based upon Non-Packet-based devices
A. True
B. False
Correct Answer: A
QUESTION 331
Which three IS-IS TLVs are used to support MPLS traffic engineering? (Choose three).
A. extended TLV 22
B. extended TLV 23
C. extended TLV 134
D. extended TLV 135
E. extended TLV 136
F. extended TLV 138
Correct Answer: ACD
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