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Q1. Which two statements about Cisco Performance Routing are true? (Choose two.)
A. It analyzes application performance to make routing decisions.
B. When determining the best path, it prefers the shortest path.
C. It can help the administrator determine the need for bandwidth upgrades.
D. It operates entirely in the data plane.
E. It can use EIGRP feasible successors to determine an alternate path.
F. It analyzes system hardware performance to make routing decisions.
Answer: A,E
Q2. Which two statements about the default router settings for SSH connections are true? (Choose two.)
A. The default timeout value for the SSH negotiation phase is 120 seconds.
B. Data is exchanged in clear text by default unless AAA authentication is enabled on the console.
C. The default number of authentication retries is 3.
D. SSH is enabled by default when you configure the username command.
Answer: A,C
Explanation:
ip ssh {timeout seconds | authentication-retries number}
Configures the SSH control parameters:
. Specify the time-out value in seconds; the default is 120 seconds. The range is 0 to 120 seconds. This parameter applies to the SSH negotiation phase. After the connection is established, the Switch uses the default time-out values of the CLI-based sessions. By default, up to five simultaneous, encrypted SSH connections for multiple CLI-based sessions over the network are available (session 0 to session 4). After the execution shell starts, the CLI-based session time-out value returns to the default of 10 minutes.
. Specify the number of times that a client can re-authenticate to the server. The default is 3; the range is 0 to 5.
Reference: http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/software/release/3se/secur ity/configuration_guide/b_sec_3se_3850_cg/b_sec_3se_3850_cg_chapter_01000.html
Q3. What are the three HDLC operating modes? (Choose three.)
A. normal response
B. asynchronous balanced
C. synchronous response
D. asynchronous response
E. normal balanced
F. synchronous balanced
Answer: A,B,D
Q4. Refer to the exhibit.
Which statement is true?
A. The output shows an IPv6 multicast address with link-local scope.
B. The output shows an IPv6 multicast address that is used for unique local sources only.
C. The output shows an IPv6 multicast address that can be used for BIDIR-PIM only.
D. The output shows an IPv6 multicast address with embedded RP.
Answer: D
Q5. Which two statements about GLBP are true? (Choose two.)
A. Packets are forwarded by multiple routers that share one virtual IP address.
B. The active router forwards packets received on one virtual IP and MAC address.
C. The standby router forwards packets when the active router fails.
D. Hosts on the network are configured with multiple gateways for load balancing.
E. Routers in a GLBP group can share multiple virtual MAC addresses.
Answer: A,E
Q6. Which command enables L2 QoS support in all VLANs (including the native VLAN)?
A. switchport priority extend cos
B. mls qos trust dscp
C. mls qos rewrite ip dscp
D. switchport trunk native vlan tag
Answer: D
Explanation:
You can enter the switchport trunk native vlan tag command to enable the tagging of native VLAN traffic on a per-port basis. When tagging is enabled, all the packets on the native VLAN are tagged and all incoming untagged data packets are dropped, but untagged control packets are accepted. When tagging is enabled, it will allow for L2 QoS support in all VLANs, including the native VLAN.
Q7. DRAG DROP
Drag and drop the EIGRP query condition on the left to the corresponding action taken by the router on the right.
Answer:
Q8. Which two statements about BGP best-path selection are true? (Choose two.)
A. The route with the highest local preference is preferred.
B. The weight attribute is advertised to peers.
C. The route with the lowest MED is preferred.
D. A route that originates from iBGP peers is preferred.
E. A route that originates from a router with a higher BGP router ID is preferred.
F. The lowest weight advertised is preferred.
Answer: A,C
Q9. Refer to the exhibit.
Which configuration must you apply to router R2 to enable BFD?
A)
B)
C)
D)
A. Exhibit A
B. Exhibit B
C. Exhibit C
D. Exhibit D
Answer: A
Q10. How does having an EIGRP feasible successor speed up convergence?
A. EIGRP sends queries only if there is a feasible successor, which decreases the number of routers that are involved in convergence.
B. EIGRP sends queries only if there is not a feasible successor, which causes less control traffic to compete with data.
C. EIGRP immediately installs the loop-free alternative path in the RIB.
D. EIGRP preinstalls the feasible successor in the RIB in all cases, which causes traffic to switch more quickly.
Answer: C
Explanation:
Feasible Successor
. A next-hop router that serves as backup to the current successor.
. The condition is that the said router’s AD (or RD) is less than the FD of the current successor route.
. Once the feasible successor is selected, they are placed in the topology table. If a change in topology occurs which requires a new route, DUAL looks for the feasible successor and uses it as new route immediately, resulting in fast convergence.
Reference: http://routemyworld.com/2008/07/page/2/