Ccna 3 Final Exam
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Fill in the blank. The " " area interconnects with all other OSPF area types.
backbone
Which address is used by an IPv6 EIGRP router as the source for hello messages?
the interface IPv6 link-local address
Which two conditions have to be met in order to form a cluster that includes 5 access points? (Choose two)
The APs have to be connected on the same network segment. Clustering mode must be enabled on the APs
Which technology factor determines the impact of a failure domain?
the role of the malfunctioning device
Which mode configuration setting would allow formation of an EtherChannel link between switches SW1 and SW2 without sending negotiation traffic?
SW1: on SW2: on
In a larger enterprise network, which two functions are performed by routers at the distribution layer? (Choose two)
connect remote networks provide data traffic security
A network engineering is implementing security on all company routers. Which two commands must be issued to force authentication via the password 1C34dE for all OSPF-enabled interfaces in the backbone area of the company network? (Choose two)
area 0 authentication message-digest ip ospf message-digest-key 1 md5 1C34dE
When does an OSPF router become an ABR?
when the router has interfaces in different areas
Which characteristic would most influence a network design engineer to select a multilayer switch over a Layer 2 switch?
ability to build a routing table
A network designer is considering whether to implement a switch block on the company network. What is the primary advantage of deploying a switch block?
The failure of a switch block will not impact all end users
A network administrator enters the spanning-tree portfast bpduguard default command. What is the result of this command being issued on a Cisco switch?
Any switch port that has been configured with PortFast will be error-disabled if it receives a BPDU
What are two differences between the Cisco IOs 12 and Ios 15 versions? (Choose two)
The IOS version 15 license key is unique to each device, whereas the IOS version 12 license key is not device specific IOS version 12.4(20)T1 is a mainline release, whereas IOS version 15.1(1)T1 is a new feature release
A remote classroom can successfully access video-intensive streaming lectures via wired computers. However, when an 802.11n wireless access point is installed and used with 25 wireless laptops to access the same lectures, poor audio and video quality is experienced. Which wireless solution would improve the performance for the laptops?
Add another access point.
A network engineer is troubleshooting a single-area OSPFv3 implementation across routers R1, R2, and R3. During the verification of the implementation, it is noted that the routing tables on R1 and R2 do not include the entry for a remote LAN on R3. Examination of R3 shows the following: that all interfaces have correct addressing that the routing process has been globally configured that correct router adjacencies have formed What additional action taken on R3 could solve the problem?
Enable the OSPFv3 routing process on the interface connected to the remote LAN.
When should EIGRP automatic summarization be turned off?
when a network contains discontiguous network addresses
When will a router that is running EIGRP put a destination network in the active state?
when the connection to the successor of the destination network fails and there is no feasible successor available
Which action should be taken when planning for redundancy on a hierarchical network design?
continually purchase backup equipment for the network
Fill in the blank. Which encryption protocol is used by the WPA2 shared key authentication technique?
AES
A network engineer is configuring a LAN with a redundant first hop to make better use of the available network resources. Which protocol should the engineer implement?
GLBP
Users on an IEEE 801.11n network are complaining of slow speeds. The network administrator checks the AP and verifies it is operating properly. What can be done to improve the wireless performance in the network?
Split the wireless traffic between the 802.11n 2.4 GHz band and the 5 GHz band
A network administrator is troubleshooting slow performance in a Layer 2 switched network. Upon examining the IP header, the administrator notices that the TTL value is not decreasing. Why is the TTL value not decreasing?
This is the normal behavior for a Layer 2 network.
What is a wireless modulation technique used by 802.11 WLAN standards that can implement MIMO?
OFDM
Which technology is an open protocol standard that allows switches to automatically bundle physical ports into a single logical link?
LACP
A set of switches is being connected in a LAN topology. Which STP bridge priority value will make it least likely for the switch to be selected as the root?
61440
Which wireless network topology is being configured by a technician who is installing a keyboard, a mouse, and headphones, each of which uses Bluetooth?
ad hoc mode
When an EIGRP update packets sent?
only when necessary
Which requirement should be checked before a network administrator performs an IOS image upgrade on a router?
There is sufficient space in flash memory
Which method of wireless authentication is dependent on a RADIUS authentication server?
WPA2 Enterprise
A network administrator wants to verify the default delay values for the interfaces on an EIGRP-enabled router. Which command will display these values?
show interfaces
a network administrator in a branch office is configuring EIGRP authentication between the branch office router and the headquarters office router? Which security credential is needed for the authentication process?
a common key configured with the key-string command inside a key chain
Which port role is assigned to the switch port that has the lowest cost to reach the root bridge?
root port
What are two features of OSPF interarea route summarization? (Choose two)
Routes within an area are summarized by the ABR ABRs advertise the summarized routes into the backbone
A network administrator has configured an EtherChannel between two switches that are connected via four trunk links. If the physical interface for one of the trunk links changes to a down state, what happens to the EtherChannel?
The EhterChannel will remain functional
What are two requirements when using out-of-band configuration of a Cisco IOS network device? (Choose two)
a direct connection to the console or AUX port a terminal emulation client
For troubleshooting missing EIGRP routes on a router, what three types of information can be collected using the show ip protocols command? (Choose three)
any interfaces on the router that are configured as passive any ACLs that are affecting the EIGRP routing process the IP addresses that are configured on adjacent routers
What are two requirements to be able to configure an EtherChannel between two switches? (Choose two)
All the interfaces need to work at the same speed. All the interfaces need to be working in the same duplex mode.
At a local college, students are allowed to connect to the wireless network without using a password. Which mode is the access point using?
open
What are three access layer switch features that are considers when designing a network? (Choose three)
forwarding rate Power over Ethernet port density
Which two statements are correct about EIGRP acknowledgment packets? (Choose two)
The packets are sent as unicast The packets are unreliable
An STP instance has failed and frames are flooding the network. What action should be taken by the network administrator?
Redundant links should be physically removed until the STP instance is repaired
A network administrator issues the command R1(config)# license boot module c1900 technology-package securityk9 on a router. What is the effect of this command?
The Evaluation Right-To-Use license for the Security technology package is activated
A router has been removed from the network for maintenance. A new Cisco IOS software image has been successfully downloaded to a server and copied into the flash of the router. What should be done before placing the router back into service?
Restart the router and verify the new image starts successfully
What are two methods that are used by a wireless NIC to discover an AP? (Choose two)
receiving a broadcast beacon frame transmitting a probe request
Which Cisco IOS Software Release 15.0 technology pack is shipped with a permanent license on all Cisco ISR G2 devices?
IPBase
By default, how many equal cost routes to the same destination can be installed in the routing table of a Cisco router?
4
What are two reasons to implement passive interfaces in the EIGRP configuration of a Cisco router? (Choose two)
to provide increased network security to avoid unnecessary update traffic
What is a difference between the Cisco IOS 12 and IOS 15 versions?
IOS version 12.4(20)T1 is a mainline release, whereas IOS version 151(1)T1 is a new feature release
Fill in the blank. Do not use abbreviations. The spanning-tree " " global configuration command is used to enable Rapid PVST+
mode rapid-pvst
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