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70 Cards in this Set
- Front
- Back
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The ” backbone ” area interconnects with all other OSPF area types. |
backbone |
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Which address is used by an IPv6 EIGRP router as the source for hello messages? |
the interface IPv6 link-local address* |
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What two conditions have to be met in order to form a cluster that includes 5 access points? (Choose two.) |
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Which technological factor determines the impact of a failure domain? |
the role of the malfunctioning device* |
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Which mode configuration setting would allow formation of an EtherChannel link between switches SW1 and SW2 without sending negotiation traffic? |
SW1: on SW2: on* |
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In a large enterprise network, which two functions are performed by routers at the distribution layer? (Choose two.) |
connect remote networks* provide data traffic security* |
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A network engineer 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.) |
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When does an OSPF router become an ABR? |
when the router has interfaces in different areas* |
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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* |
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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? |
Any switch port that has been configured with PortFast will be error-disabled if it receives a BPDU.* |
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What are two differences between the Cisco IOS 12 and IOS 15 versions? (Choose two.) |
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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.* |
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When should EIGRP automatic summarization be turned off? |
when a network contains discontiguous network addresses* |
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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* |
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Which action should be taken when planning for redundancy on a hierarchical network design? |
continually purchase backup equipment for the network* |
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Which encryption protocol is used by the WPA2 shared key authentication technique? |
AES |
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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* |
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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.* |
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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.* |
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What is a wireless modulation technique used by 802.11 WLAN standards that can implement MIMO? |
OFDM* |
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Which technology is an open protocol standard that allows switches to automatically bundle physical ports into a single logical link? |
LACP* |
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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* |
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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* |
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When are EIGRP update packets sent? |
only when necessary* |
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Which requirement should be checked before a network administrator performs an IOS image upgrade on a router? |
There is sufficient space in flash memory.* |
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What method of wireless authentication is dependent on a RADIUS authentication server? |
WPA2 Enterprise* |
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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* |
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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* |
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Which port role is assigned to the switch port that has the lowest cost to reach the root bridge? |
root port* |
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What are two features of OSPF interarea route summarization? (Choose two.) |
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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 EtherChannel will remain functional.* |
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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* |
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For troubleshooting missing EIGRP routes on a router, what three types of information can be collected using the show ip protocols command? (Choose three.) |
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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.* |
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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* |
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What are three access layer switch features that are considered when designing a network? (Choose three.) |
forwarding rate*** Power over Ethernet*** port density*** |
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Which two statements are correct about EIGRP acknowledgment packets? (Choose two.) |
The packets are sent as unicast.*The packets are unreliable.* |
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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.* |
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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.* |
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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 that the new image starts successfully.* |
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What are the two methods that are used by a wireless NIC to discover an AP? (Choose two.) |
receiving a broadcast beacon frame* transmitting a probe request* |
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Which Cisco IOS Software Release 15.0 technology pack is shipped with a permanent license on all Cisco ISR G2 devices? |
IPBase* |
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By default, how many equal cost routes to the same destination can be installed in the routing table of a Cisco router? |
4 |
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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 *** |
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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 15.1(1)T1 is a new feature release.* |
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The spanning-tree “ ” global configuration command is used to enable Rapid PVST+. |
mode rapid-pvst” |
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A WLAN user wants to allocate an optimal amount of bandwidth to a specific online game. What is a Linksys Smart Wi-Fi tool that will allow the user to do this? |
Bandwidth Prioritization* |
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When a Cisco router is configured with fast-switching, how are packets distributed over equal-cost paths? |
on a per-destination basis* |
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A network administrator is analyzing first-hop router redundancy protocols. What is a characteristic of VRRPv3? |
It supports IPv6 and IPv4 addressing.* |
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Which two channel group modes would place an interface in a negotiating state using PAgP? (Choose two.) |
auto * desirable * |
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What is the purpose of the Cisco PAK? |
It is a key for enabling an IOS feature set.* |
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What two license states would be expected on a new Cisco router once the license has been activated? (Choose two.) |
License Type: Permanent * License State: Active, In Use * |
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If a company wants to upgrade a Cisco 2800 router from IOS 12.4T, what IOS should be recommended for a stable router platform? |
15.1M * |
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EIGRP keeps feasible successor routes in the “ ” table. |
topology |
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To improve performance the network engineer decides to configure a 5 Ghz frequency band SSID and train users to use that SSID for streaming media services. Why might this solution improve the wireless network performance for that type of service? |
The 5 GHz band has more channels and is less crowded than the 2.4 GHz band, which makes it more suited to streaming multimedia. * |
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What type of OSPF IPv4 route is indicated by a route table entry descriptor of O E1? |
an external route that is advertised by an ASBR* |
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Which type of OSPF LSA represents an external route and is propagated across the entire OSPF domain? |
type 5* |
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A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement is a feature that is associated with GLBP? |
GLBP allows load balancing between routers.* |
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A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement describes a feature that is associated with HSRP? |
HSRP uses active and standby routers.* |
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What is the purpose of a Cisco IOS 15 EM release? |
It is used for long-term maintenance, enabling customers to qualify, deploy, and remain on the release for an extended period.* |
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What are two methods to make the OSPF routing protocol more secure? (Choose two.) |
Use MD5 authentication. * Use the passive-interface command on LAN interfaces that are connected only to end-user devices.* |
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Which function is provided by EtherChannel? |
creating one logical link by using multiple physical links between two LAN switches * |
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Which two parameters does EIGRP use by default to calculate the best path? (Choose two.) |
Delay Bandwidth |
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Which wireless encryption method is the most secure? |
WPA2 with AES * |
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What occurs when authentication is configured on an EIGRP router? |
If adjacencies are displayed after the use of the show ipv6 eigrp neighbors command, then EIGRP authentication was successful.*
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An administrator issues the router eigrp 100 command on a router. What is the number 100 used for?
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as the autonomous system number*
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alternate, designated, root, root* |
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S3 will set the priority value for VLAN 30 to 8192*
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What are two drawbacks to turning spanning tree off and having multiple paths through the Layer 2 switch network? (Choose two.)
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Broadcast frames are transmitted indefinitely.*
The Mac address table becomes unstable.* |
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Which two conditions should the network administrator verify before attempting to upgrade a Cisco IOS image using a TFTP server? (Choose two.)
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Verify connectivity between the router and TFTP server using the ping command.*Verify that there is enough flash memory for the new Cisco IOS image using the show flash command.*
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