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New Questions 12
Which three statements about Syslog utilization are true? (Choose three.)
A. Utilizing Syslog improves network performance.
B. The Syslog server automatically notifies the network administrator of network problems.
C. A Syslog server provides the storage space necessary to store log files without using router disk space.
D. There are more Syslog messages available within Cisco IOS than there are comparable SNMP trap messages.
E. Enabling Syslog on a router automatically enables NTP for accurate time stamping.
F. A Syslog server helps in aggregation of logs and alerts.
Answer: C,D,F
Explanation:
The Syslog sender sends a small (less than 1KB) text message to the Syslog receiver. The Syslog receiver is commonly called "syslogd," "Syslog daemon," or "Syslog server." Syslog messages can be sent via UDP (port 514) and/or TCP (typically, port 5000). While there are some exceptions, such as SSL wrappers, this data is typically sent in clear text over the network. A Syslog server provides the storage space necessary to store log files without using router disk space.
In general, there are significantly more Syslog messages available within IOS as compared to SNMP Trap messages. For example, a Cisco Catalyst 6500 switch running Cisco IOS Software Release 12.2(18)SXF contains about 90 SNMP trap notification messages, but has more than 6000 Syslog event messages.
System logging is a method of collecting messages from devices to a server running a syslog daemon. Logging to a central syslog server helps in aggregation of logs and alerts. Cisco devices can send their log messages to a UNIX-style syslog service. A syslog service accepts messages and stores them in files, or prints them according to a simple configuration file.
Reference:http://www.cisco.com/c/en/us/products/collateral/services/high-availability/white_paper_c11-557812.html
New Questions 13
What command sequence will configure a router to run OSPF and add network 10.1.1.0/24 to area 0?
A. router ospf area 0
network 10.1.1.0 255.255.255.0 area 0
B. router ospf
network 10.1.1.0 0.0.0.255
C. router ospf 1
network 10.1.1.0 0.0.0.255 area 0
D. router ospf area 0
network 10.1.1.0 0.0.0.255 area 0
E. router ospf
network 10.1.1.0 255.255.255.0 area 0
F. router ospf 1
network 10.1.1.0 0.0.0.255
Answer: C
Explanation:
u2711 Enabling OSPF
SUMMARY STEPS
1.enable 2.configureterminal 3.router ospfprocess-id
4.networkip-addresswildcard-maskareaarea-id 5.end
DETAILED STEPS
Command or Action Purpose
Step 1 Enable
Example:
Device> enable
Enables privileged EXEC mode.
u2711 Enter your password if prompted.
Step 2 Configureterminal
Example:
Device# configure terminal Enters global configuration mode.
Step 3
router ospfprocess-id
Example:
Device(config)# router ospf 109
Enables OSPF routing and enters router configuration mode.
Step 4
Networkip-addresswildcard-maskareaarea-id
Example:
Device(config-router)# network 192.168.129.16 0.0.0.3 area 0
Defines an interface on which OSPF runs and defines the area ID for that interface.
Step 5 End
Example:
Device(config-router)# end
Exits router configuration mode and returns to privileged EXEC mode.
Reference: http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_ospf/configuration/12-4t/iro-12-4t-book/iro-cfg.html#GUID-588D1301-F63C-4DAC-BF1C-C3735EB13673
New Questions 14
Which two commands can be used to verify a trunk link configuration status on a given Cisco switch interface? (Choose two.)
A. show interface trunk
B. show interface interface
C. show ip interface brief
D. show interface vlan
E. show interface switchport
Answer: A,E
Explanation:
Example output from these two commands: SW3#show interface trunk
Port Mode Encapsulation Status Native vlan Fa0/19 auto n-802.1q trunking 1
Fa0/20 auto n-802.1q trunking 1 Fa0/21 auto n-802.1q trunking 1 Fa0/22 auto n-802.1q trunking 1 Port Vlans allowed on trunk Fa0/19 1-4094
Fa0/20 1-4094
Fa0/21 1-4094
Fa0/22 1-4094
SW1#show interface fast 0/2 switchport Name: Fa0/2
Switchport: Enabled
Administrative Mode: dynamic desirable Operational Mode: down
Administrative Trunking Encapsulation: dot1q Negotiation of TrunkinG. On
Access Mode VLAN: 1 (default) Trunking Native Mode VLAN: 1 (default) Voice VLAN: none
New Questions 15
Syslog was configured with a level 3 trap. Which 3 types of logs would be generated (choose four)
A. Emergencies
B. Alerts
C. Critical
D. Errors
E. Warnings
Answer: A,B,C,D
Explanation:
The Message Logging is divided into 8 levels as listed below: Level Keyword Description
0 emergencies System is unusable 1 alerts Immediate action is needed 2 critical Critical conditions exist
3 errors Error conditions exist
4 warnings Warning conditions exist
5 notification Normal, but significant, conditions exist 6 informational Informational messages
7 debugging Debugging messages
The highest level is level 0 (emergencies). The lowest level is level 7. If you specify a level with the u201clogging console levelu201d command, that level and all the higher levels will be displayed. For example, by using the u201clogging console warningsu201d command, all the logging of emergencies, alerts, critical, errors, warnings will be displayed.
New Questions 16
What does a Layer 2 switch use to decide where to forward a received frame?
A. source MAC address
B. source IP address
C. source switch port
D. destination IP address
E. destination port address
F. destination MAC address
Answer: F
Explanation:
When a frame is received, the switch looks at the destination hardware address and finds the interface if it is in its MAC address table. If the address is unknown, the frame is broadcast on all interfaces except the one it was received on.
New Questions 17
When a router undergoes the exchange protocol within OSPF, in what order does it pass through each state?
A. exstart state > loading state > exchange state > full state
B. exstart state > exchange state > loading state > full state
C. exstart state > full state > loading state > exchange state
D. loading state > exchange state > full state > exstart state
Answer: B
Explanation:
When OSPF adjacency is formed, a router goes through several state changes before it becomes fully adjacent with its neighbor. Those states are defined in the OSPF RFC 2328, section 10.1. The states are (in order) Down, Attempt, Init, 2-Way, Exstart, Exchange, Loading, and Full.
Reference:http://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first- ospf/13685-13.html
New Questions 18
Which command can be used from a PC to verify the connectivity between hosts that connect through a switch in the same LAN?
A. ping address
B. tracert address
C. traceroute address
D. arp address
Answer: A
Explanation:
ICMP pings are used to verify connectivity between two IP hosts. Traceroute is used to verify the router hop path traffic will take but in this case since the hosts are in the same LAN there will be no router hops involved.
New Questions 19
Refer to the exhibit.
The network administrator requires easy configuration options and minimal routing protocol traffic. What two options provide adequate routing table information for traffic that passes between the two routers and satisfy the requests of the network administrator? (Choose two.)
A. a dynamic routing protocol on InternetRouter to advertise all routes to CentralRouter.
B. a dynamic routing protocol on InternetRouter to advertise summarized routes to CentralRouter.
C. a static route on InternetRouter to direct traffic that is destined for 172.16.0.0/16 to CentralRouter.
D. a dynamic routing protocol on CentralRouter to advertise all routes to InternetRouter.
E. a dynamic routing protocol on CentralRouter to advertise summarized routes to InternetRouter.
F. a static, default route on CentralRouter that directs traffic to InternetRouter.
Answer: C,F
Explanation:
The use of static routes will provide the necessary information for connectivity while producing no routing traffic overhead.
New Questions 20
Refer to the exhibit.
How should the FastEthernet0/1 ports on the switches that are shown in the exhibit be configured to allow connectivity between all devices?
A. The ports only need to be connected by a crossover cable.
B. SwitchX(config)# interface fastethernet 0/1 SwitchX(config-if)# switchport mode trunk
C. SwitchX(config)# interface fastethernet 0/1 SwitchX(config-if)# switchport mode access SwitchX(config-if)# switchport access vlan 1
D. SwitchX(config)# interface fastethernet 0/1 SwitchX(config-if)# switchport mode trunk SwitchX(config-if)# switchport trunk vlan 1 SwitchX(config-if)# switchport trunk vlan 10 SwitchX(config-if)# switchport trunk vlan 20
Answer: B
Explanation:
IN order for multiple VLANs to cross switches, the connection between the switches must be a trunk. The u201cswitchport mode trunku201d command is all that is needed, the individual VLANs should not be listed over that trunk interface.
New Questions 21
What are three benefits of GLBP? (Choose three.)
A. GLBP supports up to eight virtual forwarders per GLBP group.
B. GLBP supports clear text and MD5 password authentication between GLBP group members.
C. GLBP is an open source standardized protocol that can be used with multiple vendors.
D. GLBP supports up to 1024 virtual routers.
E. GLBP can load share traffic across a maximum of four routers.
F. GLBP elects two AVGs and two standby AVGs for redundancy.
Answer: B,D,E
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