Questions and Answers
Which of the following terms combines authentication and authorization services into a single function?
What is the OSPF neighbor state where the router has sent Hello packets but has not received any from the neighbor router?
The __________ command is used to determine whether EIGRP feasible successors can be used for unequal-cost load balancing.
variance
What command would you use to enter an unencrypted secret password like password123?
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Why did you receive the error 'Invalid encrypted password: password123' when entering the command 'enable password 7 password123'?
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Why did you receive the error 'The secret you entered is not a valid encrypted secret' when entering 'enable secret 5 password123'?
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EIGRP keeps track of directly connected neighbors in the __________ __________.
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Directly connected routers are placed into the __________ table.
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By default, EIGRP uses which of the following metrics?
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What is the term for the metric used by a neighboring router that is advertising to this device?
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What is the total metric to get to the destination called?
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Lists all networks that EIGRP networks found and their connected interfaces is called the __________ __________.
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The best entry in the topology table is called the __________.
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The second-best entry in the topology table is known as the __________.
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What is actually used for forwarding traffic in EIGRP?
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In OSPF, what type of network performs DR and BDR elections?
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In OSPF networks where DR & BDR elections are NOT performed, which of these are valid types?
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What is the default 'Hello Timer' in OSPF Broadcast & P2P?
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What is the default 'Dead Timer' in OSPF Broadcast & P2P?
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What is required to establish adjacencies on a non-broadcast OSPF network?
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You issue the command: 'ntp server 10.1.1.5'. This puts the current router into static _______ mode.
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What is the command to disable LLDP globally?
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Which QoS option provides 'Best Effort' in WLC QoS?
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Which QoS option prioritizes VoIP?
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Which QoS option prioritizes video traffic?
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Which QoS option provides the lowest bandwidth (typically for guest services)?
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What creates VXLAN tunnels between SDA switches?
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What is a collection of devices that comprises the IP network connecting to each fabric node?
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Study Notes
RADIUS and TACACS+
- RADIUS combines authentication and authorization into a single function; less granular than TACACS+.
OSPF Neighbor State
- In the Init state, a router has sent Hello packets but has not received replies from the neighboring router.
EIGRP Configuration
- The
variancecommand determines the feasibility of using EIGRP successors for unequal-cost load balancing.
Command to Set Unencrypted Password
- Use
enable secret 0 password123to set an unencrypted secret.
Encrypted Password Error
- Error "Invalid encrypted password" occurs because
enable password 7expects an already encrypted password.
MD5 Hash Requirement
- An error related to
enable secret 5indicates the secret must be an MD5 hash, meaning an unencrypted secret cannot specify encryption type 5.
EIGRP Neighbor and Tables
- EIGRP maintains a Neighbor Table to track directly connected neighbors and a Topology Table listing all EIGRP networks and their connected interfaces.
EIGRP Metrics
- By default, EIGRP uses Bandwidth and Delay metrics for calculations.
- Advertised Distance (AD) represents the metric from a neighboring router advertising to this device.
- Feasible Distance (FD) represents the total metric to reach a destination.
Routing Decisions
- The Routing Table utilizes the successor route from the Topology Table for traffic forwarding.
- The best entry in the topology is called the Successor, while the second-best is the Feasible Successor.
OSPF Network Types
- OSPF performs DR and BDR elections on Broadcast networks.
- DR and BDR elections are not performed on Nonbroadcast, Point-To-Point, Point-To-Multipoint, and other non-broadcast network types.
OSPF Timers
- The default Hello Timer for OSPF Broadcast and Point-To-Point networks is 10 seconds.
- The default Dead Timer is 40 seconds.
OSPF Non-Broadcast Networks
- To establish adjacencies on non-broadcast OSPF networks, the
neighborcommand is required.
NTP Configuration
- The command
ntp server 10.1.1.5configures the router as an NTP client.
LLDP Configuration
- Use the command
no lldp runto disable LLDP globally.
WLC QoS Levels
- Silver QoS provides Best Effort service.
- Platinum prioritizes VoIP traffic.
- Gold prioritizes video traffic.
- Bronze typically allocates the lowest bandwidth for guest services.
VXLAN and Network Underlay/Overlay
- Overlay creates VXLAN tunnels between SDA switches.
- Underlay comprises the IP network that connects to each fabric node.
- Northbound API enables communication between the SDN controller and application layer.
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Description
Test your knowledge on networking concepts with these Boson practice exams flashcards. Covering topics like RADIUS, OSPF, and EIGRP, these cards provide essential definitions and terms related to authentication, authorization, and routing. Perfect for anyone looking to improve their networking skills.
