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Qustion No. 1
Refer to the exhibit.
Which three statements about this show output are true? (Choose three.)
A. Logging to the circular logging buffer has been disabled.
B. All severity levels messages can be logged to the terminal lines other than the console .
C. The logging facility has been set to "critical".
D. Messages with Severity Levels 0, 1, and 2 are sent to the syslog server.
E. 169 messages have been sent to the syslog server.
F. The logging buffer size is set to 8192 bytes.
Answer: A,B,D
Explanation:
Qustion No. 2
Which three statements about the ARP function are true? (Choose three.)
A. ARP is used to determine an IP address.
B. An ARP request is broadcast at Layer 3.
C. An ARP response is broadcast at Layer 2.
D. ARP tables are maintained on Layer 3 devices.
E. The destination MAC address of an ARP request is that of the ARP responder.
F. ARP requests are broadcast at Layer 2.
G. ARP resolves MAC addresses to NET addresses.
H. ARP uses 0x0806 as the Type field in an Ethernet frame.
Answer: D,F,H
Explanation:
Qustion No. 3
Which feature is used to protect the control plane of the router?
A. port security
B. uRPF
C. routing protocol authentication
D. VRF
E. SSH
F. SSL
Answer: C
Explanation:
Qustion No. 4
Which Cisco IOS XR command is involved in enabling remote access?
A. RP/0/RSP0/CPU0:PE1(config)# router static
B. RP/0/RSP0/CPU0:PE1(config)# line console 0
C. RP/0/RSP0/CPU0:PE1(config)# vrf default
D. RP/0/RSP0/CPU0:PE1(config)# telnet ipv4 server max-servers 20
E. RP/0/RSP0/CPU0:PE1(config)# username CISCO password LAB
Answer: D
Explanation:
Qustion No. 5
Refer to the exhibit.
R1 and R2 are running RIPv1 for the 10.0.0.0 and 192.168.1.0 networks. No default or static routes have been configured on the routers. Which two statements about this topology are true? (Choose two.)
A. R1 summarizes the 10.1.1.0/24 subnet to 10.0.0.0/8 when it sends its RIPv1 routing updates to R2. R2 summarizes the 10.2.2.0/24 subnet to 10.0.0.0/8 when it sends its RIPv1 routing updates to R1.
B. To support this topology, R1 and R2 must be configured so that RIPv1 auto-summary is disabled.
C. R1 sends information about the 10.1.1.0/24 subnet when it sends its RIPv1 routing updates to R2. R2 sends information about the 10.2.2.0/24 subnet when it sends its RIPv1 routing updates to R1. Example of RIPv1 update from R1 to R2:
D. RIP: build update entries network 10.1.1.0/24 metric 1 Hosts on the 10.1.1.0/24 subnet are unable to communicate with hosts on the 10.2.2.0/24 subnet.
E. R1 accepts the 10.2.2.0/24 RIPv1 routing updates from R2 and installs the 10.2.2.0/24 route in its routing table. R2 accepts the 10.1.1.0/24 RIPv1 routing updates from R1 and installs the 10.1.1.0/24 route in its routing table.
Answer: A,D
Explanation:
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