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Q1. Which Cisco IOS XR CLI command can you use to determine if the firmware on any of the line cards on the Cisco ASR 9000 Series Router needs to be upgraded?
A. RP/0/RSP0/CPU0:PE1#show platform
B. RP/0/RSP0/CPU0:PE1(admin)#show platform
C. RP/0/RSP0/CPU0:PE1#show hw-module fpd location all
D. RP/0/RSP0/CPU0:PE1#show version
E. RP/0/RSP0/CPU0:PE1(admin)#show version
F. RP/0/RSP0/CPU0:PE1#show install active
Answer: C
Explanation:
Q2. Generally, which way is the fastest to open S3 and S4 service requests to the Cisco TAC?
A. Use the Smart Call Home feature.
B. Use the online TAC Service Request Tool.
C. Call Cisco TAC on the phone.
D. Email Cisco TAC with a high-priority email.
E. Export the related Syslog/NetFlow information to TAC directly.
Answer: B
Explanation:
Q3. Which Cisco IOS XR CLI command displays the running state of each line card (including the fan tray) on the Cisco ASR 9000 Series Router?
A. RP/0/RSP0/CPU0:PE1#show platform
B. RP/0/RSP0/CPU0:PE1(admin)#show platform
C. RP/0/RSP0/CPU0:PE1#show hw-module fpd location all
D. RP/0/RSP0/CPU0:PE1(admin)#show hw-module fpd location all
E. RP/0/RSP0/CPU0:PE1#show version
F. RP/0/RSP0/CPU0:PE1(admin)#show version
Answer: B
Explanation:
Q4. Given the IP address 10.106.170.145 255.248.0.0, which three options are the subnet that this IP address belongs to, the host IP address range on this subnet, and the subnet broadcast IP address?
A. subnet = 10.104.0.0/13
B. subnet = 10.106.0.0/13
C. subnet = 10.112.0.0/13
D. host IP address range = 10.104.0.1 to 10.111.255.254
E. host IP address range = 10.106.0.1 to 10.106.255.254
F. host IP address range = 10.106.0.1 to 10.119.255.254
G. subnet broadcast IP address = 10.106.255.255
H. subnet broadcast IP address = 10.111.255.255
I. subnet broadcast IP address = 10.119.255.255
Answer: A,D,H
Explanation:
Q5. Refer to the exhibit.
Which configuration is necessary to support this output?
A. interface Ethernet0
B. ip address 192.168.3.1 255.255.255.0 ip nat outside ! interface Ethernet1 ip address 192.168.4.1 255.255.255.0 ip nat outside ! interface Serial0 ip address 172.17.38.1 255.255.255.0 ip nat inside ! ip nat inside source list 1 interface Serial0 overload ! access-list 1 permit 192.168.3.0 0.0.0.255 access-list 1 permit 192.168.4.0 0.0.0.255
interface Ethernet0
C. ip address 192.168.3.1 255.255.255.0 ip nat inside ! interface Ethernet1 ip address 192.168.4.1 255.255.255.0 ip nat inside ! interface Serial0 ip address 172.17.38.1 255.255.255.0 ip nat outside ! ip nat inside source list 1 interface Serial0 overload ! access-list 1 permit 172.17.38.0 0.0.0.255
interface Ethernet0
D. ip address 192.168.3.1 255.255.255.0 ip nat inside ! interface Ethernet1 ip address 192.168.4.1 255.255.255.0 ip nat inside ! interface Serial0 ip address 172.17.38.1 255.255.255.0 ip nat outside ! ip nat inside source list 1 static 172.17.38.1 ! access-list 1 permit 192.168.3.0 0.0.0.255 access-list 1 permit 192.168.4.0 0.0.0.255 interface Ethernet0
E. ip address 192.168.3.1 255.255.255.0 ip nat inside ! interface Ethernet1 ip address 192.168.4.1 255.255.255.0 ip nat inside ! interface Serial0 ip address 172.17.38.1 255.255.255.0 ip nat outside ! ip nat inside source list 1 interface Serial0 overload ! access-list 1 permit 192.168.3.0 0.0.0.255 access-list 1 permit 192.168.4.0 0.0.0.255
Answer: D
Explanation:
Q6. Which two statements are correct regarding routing protocol authentication? (Choose two.)
A. MD5 authentication can only be established between Internal BGP peers.
B. Authentication can be established using keychains on one peer and MD5 hashing on the other.
C. UDP port 179 is used for BGP session authentication.
D. MD5 passwords are never sent to a peer.
E. Routers authenticate each routing update packet received.
F. BGP peers can be configured with different passwords.
Answer: D,E
Q7. On Cisco IOS Switches, which port security violation mode results in frames from non-allowed MAC address being dropped, log message created, and SNMP trap sent?
A. protect
B. restrict
C. shutdown
D. err-disabled
E. log
Answer: B
Explanation:
Q8. Given the CIDR address range of 200.165.160.0 to 200.165.191.255, what is the CIDR block?
A. 200.165.160.0/17
B. 200.165.160.0/18
C. 200.165.160.0/19
D. 200.165.160.0/20
E. 200.165.160.0/21
Answer: C
Explanation:
Q9. Which two statements about Packet over SONET are true? (Choose two.)
A. POS is a Layer 2 technology that uses PPP in ATM encapsulation and SONET framing.
B. The Layer 2 frame is encapsulated into a generic HDLC header (not Cisco proprietary HDLC) and placed into the appropriate SONET Payload Envelope.
C. The FCS field can be set to 16 bits on one end and 32 bits on the other end of a POS connection without causing any connectivity issues.
D. The Cisco POS interface supports Cisco HDLC and PPP encapsulation.
E. POS can be used in a point-to-point or point-to-multipoint environment.
Answer: B,D
Explanation:
Q10. What is the default spanning-tree mode of an NNI port on a Cisco ME3400 switch?
A. multiple spanning tree (mst)
B. per-vlan rapid spanning tree (rapid-pvst)
C. per-vlan spanning tree (pvst)
D. IEEE 802.1D (stp)
Answer: B
Explanation: