CCNA final
Refer to the exhibit. Which switch will be the root bridge after the election process is complete?
S1
S2
S3
S4
Refer to the exhibit. What are the possible port roles for ports A, B, C, and D in this RSTP-enabled network?
Designated, root, alternate, root
Alternate, root, designated, root
Designated, alternate, root, root
Alternate, designated, root, root
Refer to the exhibit. A network administrator is configuring PVST+ for the three switches. What will be a result of entering these commands?
S1 will set the priority value for VLAN 10 to 0.
S2 will set the priority value for VLAN 10 to 24576.
S3 will set the priority value for VLAN 30 to 8192.
S1 will set the priority value for VLAN 20 to 24596.
Which function is provided by EtherChannel?
Creating one logical link by using multiple physical links between two LAN switches
Enabling traffic from multiple VLANs to travel over a single Layer 2 link
Dividing the bandwidth of a single link into separate time slots
Spreading traffic across multiple physical WAN links
Which two channel group modes would place an interface in a negotiating state using PAgP? (Choose two.)
Desirable
On
Active
Auto
Passive
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.
It uses ICMP messages in order to assign the default gateway to hosts.
It allows load balancing between a group of redundant routers.
HSRP is nonproprietary.
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.
It works together with VRRP.
It uses a virtual router master.
It is nonproprietary.
Which wireless encryption method is the most secure?
WPA2 with AES
WPA2 with TKIP
WEP
WPA
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.
When feasible, create a VPN tunnel between each OSPF neighbor adjacency.
Use only OSPFv3.
Use the enable secret command.
Which two parameters does EIGRP use by default to calculate the best path? (Choose two.)
Delay
MTU
Reliability
Transmit and receive load
Bandwidth
By default, how many equal cost routes to the same destination can be installed in the routing table of a Cisco router?
4
2
16
32
When a Cisco router is configured with fast-switching, how are packets distributed over equal-cost paths?
On a per-destination basis
On a per-path-load basis
On a per-interface basis
On a per-packet basis
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.
The CiscoVille router requires a second keychain to function correctly when using two interfaces for EIGRP authentication.
The interfaces that will use EIGRP authentication must be specified.
A username and password must be configured.
Which two conditions should the network administrator verify before attempting to upgrade a Cisco IOS image using a TFTP server? (Choose two.)
Verify that there is enough flash memory for the new Cisco IOS image using the show flash command.
Verify connectivity between the router and TFTP server using the ping command.
Verify that the TFTP server is running using the tftpdnld command.
Verify the name of the TFTP server using the show hosts command.
Verify that the checksum for the image is valid using the show version command.
What is the purpose of the Cisco PAK?
It is a key for enabling an IOS feature set.
It is a proprietary encryption algorithm.
It is a compression file type used when installing IOS 15 or an IOS upgrade.
It is a way to compress an existing IOS so that a newer IOS version can be co-installed on a router.
Which Cisco IOS Software Release 15.0 technology pack is shipped with a permanent license on all Cisco ISR G2 devices?
IPBase
DATA
Unified Communications
Security
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
License Type: ipbasek9
License Type: Temporary
License State: Active, Registered
License State: On
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.
Spanning Tree Protocol will recalculate the remaining trunk links.
The EtherChannel will transition to a down state.
Spanning Tree Protocol will transition the failed physical interface into forwarding mode.
If a company wants to upgrade a Cisco 2800 router from IOS 12.4T, what IOS should be recommended for a stable router platform?
12.5T
14.0
13.1T
15.1M
Which action should be taken when planning for redundancy on a hierarchical network design?
Add alternate physical paths for data to traverse the network
Implement STP portfast between the switches on the network
Continually purchase backup equipment for the network
Immediately replace a non-functioning module, service or device on a network
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
To mitigate attacks coming from the interfaces
To exclude interfaces from load balancing
To shut down unused interfaces
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*
Widgets
Speed Test
Media Prioritization
A network administrator is analyzing first-hop router redundancy protocols. What is a characteristic of VRRPv3?
It supports IPv6 and IPv4 addressing.
It allows load balancing between routers.
It works together with HSRP.
VRRPv3 is Cisco proprietary.
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.
It provides premium packages and enables additional IOS software feature combinations that address more complex network requirements.
It provides regular bug fix maintenance rebuilds, plus critical fix support for network-affecting bugs.
It specifies advanced IP services features such as advanced security and service provider packages.
What are two drawbacks to turning spanning tree off and having multiple paths through the Layer 2 switch network? (Choose two.)
Broadcast frames are transmitted indefinitely.
The Mac address table becomes unstable.
Port security shuts down all of the port that attached devices.
The switch acts like a hub.
Port security becomes unstable.
What is the function of STP in a scalable network?
It disables redundant paths to eliminate Layer 2 loops.
It protects the edge of the enterprise network from malicious activity.
It combines multiple switch trunk links to act as one logical link for increased bandwidth.
It decreases the size of the failure domain to contain the impact of failures.
What is a requirement to configure a trunking EtherChannel between two switches?
The participating interfaces must be assigned the same VLAN number on both switches.
The allowed range of VLANs must be the same on both switches.
The participating interfaces must be physically contiguous on a switch.
The participating interfaces must be on the same module on a switch.
What should be installed on a Cisco router as a prerequisite for installing the Data, Security, and Unified Communications licenses in IOS 15?
The IP Base license*
The Cisco License Manager
The Enterprise Services package
The Enterprise Base license
After implementing an IPv6 network, the administrator notices that the OSPFv3 process is not starting on the routers. What could be the problem?
No router IDs are configured on the routers.
Authentication was not implemented between the routers.
The routers are configured with the default priority.
The routers were not configured with the network command.
Which statement describes the load balancing behavior of EIGRP?
EIGRP for IPv6 supports unequal cost load balancing, but EIGRP for IPv4 does not.
Neither EIGRP for IPv4 nor EIGRP for IPv6 support unequal cost load balancing.
Both EIGRP for IPv4 and EIGRP for IPv6 support unequal cost load balancing.
EIGRP for IPv4 supports unequal cost load balancing, but EIGRP for IPv6 does not.
What is the purpose of the Cisco License Manager?
It is a free software application that helps network administrators rapidly deploy multiple Cisco software licenses across their networks.
It is software that provides the Product Activation Key for the license and important information regarding the Cisco End User License Agreement.
It is software that comes pre-installed with the software image and contains licenses for the customer-specified packages and features.
It is a web-based portal for getting and registering individual software licenses.
Which statement describes a characteristic of OSPF external routes?
The difference between type 1 and type 2 is in the way the cost of the route is being calculated.*
The cost of a type 1 route is always the external cost, regardless of the interior cost to reach that route.
A type 2 route is always preferred over a type 1 route for the same destination.
Type 1 and type 2 external routes in IPv4 networks are represented in the routing table by EX1 and EX2, respectively.
A network administrator is designing a wireless network for a new school building. The wireless network is for students using their own mobile devices. The network administrator wants to provide the most throughput possible even if the throughput is reduced by students using older devices. Which technology would be best in this situation?
802.11g
802.11ac
802.11n
802.11ad
A company has deployed four 48-port access layer switches to a switch bock. For redundancy each access layer switch will connect to two distribution layer switches. Additionally, link aggregation will be used to combine 10 Gbps interfaces to form 20 Gbps trunk links form the access layer switches to the distribution layer switches. How many switch ports on the access layer switches will be available in the switch block to support end devices?
184*
192
188
176
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