Section 1
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What are the two methods that are used by a wireless NIC to discover an AP? (Choose two.)
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Section 1
(50 cards)
What are the two methods that are used by a wireless NIC to discover an AP? (Choose two.)
transmitting a probe request receiving a broadcast beacon frame
Refer to the exhibit. A network administrator issues the show ipv6 eigrp neighbors command. Which conclusion can be drawn based on the output?
The link-local addresses of neighbor routers interfaces are configured manually.
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
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 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.
Which address is used by an IPv6 EIGRP router as the source for hello messages?
the interface IPv6 link-local address
Refer to the exhibit. Router CiscoVille has been partially configured for EIGRP authentication. What is missing that would allow successful authentication between EIGRP neighbors?
The keychain for EIGRP authentication must be configured on the interfaces
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.)
ip ospf message-digest-key 1 md5 1C34dE area 0 authentication message-digest
Which two channel group modes would place an interface in a negotiating state using PAgP? (Choose two.)
desirable auto
Refer to the exhibit. Routers R1 and R2 are directly connected via their serial interfaces and are both running the EIGRP routing protocol. R1 and R2 can ping the directly connected serial interface of their neighbor, but they cannot form an EIGRP neighbor adjacency.
Configure both routers with the same EIGRP process ID
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.
Refer to the exhibit. Which route or routes will be advertised to the router ISP if autosummarization is enabled?
10.0.0.0/8
Which wireless encryption method is the most secure?
WPA2 with AES
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
Refer to the exhibit. Which two conclusions can be derived from the output? (Choose two.)
There is one feasible successor to network 192.168.1.8/30. The neighbor 172.16.6.1 meets the feasibility condition to reach the 192.168.1.0/24 network.
Which function is provided by EtherChannel?
creating one logical link by using multiple physical links between two LAN switches
Refer to the exhibit. What are the possible port roles for ports A, B, C, and D in this RSTP-enabled network?
alternate, designated, root, root
When does an OSPF router become an ABR?
when the router has interfaces in different areas
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.
What two conditions have to be met in order to form a cluster that includes 5 access points? (Choose two.)
Clustering mode must be enabled on the APs. The APs have to be connected on the same network segment.
When should EIGRP automatic summarization be turned off?
when a network contains discontiguous network addresses
Which mode configuration setting would allow formation of an EtherChannel link between switches SW1 and SW2 without sending negotiation traffic?
SW1: on SW2: on
Refer to the exhibit. A network technician is troubleshooting missing OSPFv3 routes on a router. What is the cause of the problem based on the command output?
There is a problem with the OSPFv3 adjacency between the local router and the router that is using the neighbor ID 2.2.2.2.
By default, how many equal cost routes to the same destination can be installed in the routing table of a Cisco router?
4
Refer to the exhibit. Which destination MAC address is used when frames are sent from the workstation to the default gateway?
MAC address of the virtual router
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: 1.that all interfaces have correct addressing 2.that the routing process has been globally configured 3.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
Refer to the exhibit. Which two conclusions can be drawn from the output? (Choose two.)
The EtherChannel is down. The port channel ID is 2.
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 two statements are correct about EIGRP acknowledgment packets? (Choose two.)
The packets are sent as unicast. The packets are unreliable.
Refer to the exhibit. A network administrator is configuring PVST+ for the three switches. What will be a result of entering these commands?
S3 will set the priority value for VLAN 30 to 8192.
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
What are three access layer switch features that are considered when designing a network? (Choose three.)
forwarding rate port density Power over Ethernet
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
When a Cisco router is configured with fast-switching, how are packets distributed over equal-cost paths?
on a per-destination basis
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
Refer to the exhibit. If router B is to be configured for EIGRP AS 100, which configuration must be entered?
B(config-router)# network 192.168.10.4 0.0.0.3 B(config-router)# network 192.168.10.8 0.0.0.3 B(config-router)#network 192.168.10.128 0.0.0.63
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.
Refer to the exhibit. Which switch will be the root bridge after the election process is complete?
S2
Which two parameters does EIGRP use by default to calculate the best path? (Choose two.)
delay bandwidth
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.*
Refer to the exhibit. When the show ip ospf neighbor command is given from the R1# prompt, no output is shown. However, when the show ip interface brief command is given, all interfaces are showing up and up. What is the most likely problem?
R1 or R2 does not have a network statement for the 172.16.100.0 network
When are EIGRP update packets sent?
only when necessary
Refer to the exhibit. What can be concluded about network 192.168.1.0 in the R2 routing table?
This network was learned through summary LSAs from an ABR.
Which type of OSPF LSA represents an external route and is propagated across the entire OSPF domain?
type 5
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.
Refer to the exhibit. A company has migrated from single area OSPF to multiarea. However, none of the users from network 192.168.1.0/24 in the new area can be reached by anyone in the Branch1 office. From the output in the exhibit, what is the problem?
There are no interarea routes in the routing table for network 192.168.1.0.
An administrator issues the router eigrp 100 command on a router. What is the number 100 used for?
as the autonomous system number
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.
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.
Section 2
(50 cards)
The _______________ area interconnects with all other OSPF area types.
backbone
In the Cisco hierarchical design model, which layer is more likely to have a fixed configuration switch than the other layers?
Access
Which requirement should be checked before a network administrator performs an IOS image upgrade on a router?
There is sufficient space in flash memory.
Refer to the exhibit. What two pieces of information could be determined by a network administrator from this output? (Choose two.)
.R1 is participating in multiarea OSPF .R1 is the distribution point for the routers that are attached to the 10.0.0.4 network
Refer to the exhibit. An administrator attempts to configure EIGRP for IPv6 on a router and receives the error message that is shown. Which command must be issued by the administrator before EIGRP for IPv6 can be configured
ipv6 unicast-routing
Which wireless network topology would be used by network engineers to provide a wireless network for an entire college building?
infrastructure
What does an OSPF area contain?
routers that have the same link-state information in their LSDBs
Refer to the exhibit. Two routers have been configured to use EIGRP. Packets are not being forwarded between the two routers. What could be the problem?
An incorrect IP address was configured on a router interface
A network engineer is troubleshooting a newly deployed wireless network that is using the latest 802.11 standards. When users access high bandwidth services such as streaming video, the wireless network performance is poor. 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
Refer to the exhibit. Based on the command output shown, what is the status of the EtherChannel?
The EtherChannel is in use and functional as indicated by the SU and P flags in the command output.
Which method of wireless authentication is currently considered to be the strongest?
WPA2
When the show spanning-tree vlan 33 command is issued on a switch, three ports are shown in the forwarding state. In which two port roles could these interfaces function while in the forwarding state? (Choose two.)
.designated .root
Which routing protocol is able to scale for large networks and utilizes non-backbone areas for expansion?
OSPF
Refer to the exhibit. A network administrator issues the show ip protocols command. Based on the exhibited output, what can be concluded?
The EIGRP K values are default values
Which command will start the process to bundle two physical interfaces to create an EtherChannel group via LACP?
interface range GigabitEthernet 0/4 - 5
What are two requirements when using out-of-band configuration of a Cisco IOS network device? (Choose two.)
.A terminal emulation client .A direct connection to the console or AUX port
Which two parameters must match on the ports of two switches to create a PAgP EtherChannel between the switches? (Choose two.)
.speed .VLAN information
Refer to the exhibit. Which switching technology would allow data to be transmitted over each access layer switch link and prevent the port from being blocked by spanning tree due to the redundant link?
EtherChannel
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.
What is a wireless security mode that requires a RADIUS server to authenticate wireless users?
enterprise
Which port role is assigned to the switch port that has the lowest cost to reach the root bridge?
root port
Refer to the exhibit. What are two consequences of issuing the displayed commands? (Choose two.)
.The routing update information is protected against being falsified .The key is encrypted with the MD5 hashing algorithm
Which model and which two characteristics would be more likely to be considered in purchasing an access layer switch, as compared to buying switches that operate at the other layers of the Cisco hierarchical design model? (Choose three.)
.Catalyst 2960 .number of ports .PoE
Which two metric weights are set to one by default when costs in EIGRP are being calculated? (Choose two.)
k1 and k3
When would a network engineer configure an access point with channel bonding?
when more throughput is needed
What are two advantages of EtherChannel? (Choose two.)
.Configuring the EtherChannel interface provides consistency in the configuration of the physical links .Spanning Tree Protocol views the physical links in an EtherChannel as one logical connection.
Refer to the exhibit. A network administrator has issued the show ip eigrp neighbors command. What can be concluded from the output?
The first EIGRP neighbor R1 learned about has the IP address 10.10.10.2
Refer to the exhibit. Why did R1 and R2 not establish an adjacency?
The AS number does not match on R1 and R2
What are two reasons to install a single 48-port fixed configuration switch, rather than two 24-port fixed configuration switches, in a wiring closet that supports two classrooms? (Choose two.)
.more ports available for end devices .reduced power and space requirements
A network administrator is analyzing first-hop router redundancy protocols. What is a characteristic of VRRPv3?
It supports IPv6 and IPv4 addressing.
What two STP features are incorporated into Rapid PVST+? (Choose two.)
.UplinkFast .BackboneFast
What is the purpose of the Cisco PAK?
It is a key for enabling an IOS feature set.
When EtherChannel is configured, which mode will force an interface into a port channel without exchanging aggregation protocol packets?
on
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.
Which technological factor determines the impact of a failure domain?
the role of the malfunctioning device
Refer to the exhibit. A network administrator is attempting to upgrade the IOS system image on a Cisco 2901 router. After the new image has been downloaded and copied to the TFTP server, what command should be issued on the router before the IOS system image is upgraded on the router?
ping 10.10.10.2
Which command can be issued on a router to display information about the successors and feasible successors for a destination network when EIGRP is used as the routing protocol?
show ip eigrp topology
A network administrator is configuring the authentication for EIGRP routing. The administrator enters these commands: R1(config)# key chain THE_KEY R1(config-keychain)# key 1 R1(config-keychain-key)# key-string key123 What is the next step necessary to enable the authentication for EIGRP routing?
Configure the authentication on all interfaces that are participating in EIGRP.
A laptop cannot connect to a wireless access point. Which two troubleshooting steps should be taken first? (Choose two.)
.Ensure that the wireless NIC is enabled .Ensure that the wireless SSID is chosen
A network administrator is troubleshooting the EIGRP routing between two routers, R1 and R2. The problem is found to be that only some, but not all networks attached to R1 are listed in the routing table of router R2. What should the administrator investigate on router R1 to determine the cause of the problem?
Do the network commands include all the networks to be advertised?
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
In wireless networks what is a disadvantage of using mixed mode on an AP ?
The wireless network operates slower if one device uses an older standard wireless NIC.
Which two conditions should the network administrator verify before attempting to upgrade a Cisco IOS image using a TFTP server? (Choose two.)
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.
When a range of ports is being configured for EtherChannel, which mode will configure LACP on a port only if the port receives LACP packets from another device?
passive
Refer to the exhibit. Why are some of the entries marked O IA?
They correspond to entries that are learned from other areas
Which Cisco IOS Software Release 15.0 technology pack is shipped with a permanent license on all Cisco ISR G2 devices?
IPBase
In which mode is the area area-id range address mask command issued when multiarea OSPF summarization is being configured?
router configuration mode
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
Refer to the exhibit. How did this router learn of the highlighted route in the routing table?
by receiving an update from another OSPF router that has the default-information originate command configured
Which statement describes the Autonomous System number that is used in EIGRP?
It specifies the EIGRP routing process on a router
Section 3
(11 cards)