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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Networking Fundamentals | 23% | - Network topologies and types - Network devices and cabling - OSI and TCP/IP models - Ports, protocols, and services - IP addressing and subnetting |
| Topic 2: Network Security | 14% | - Network hardening and secure configuration - Security concepts and frameworks - Authentication and access control - Segmentation and traffic protection - Threats, vulnerabilities, and mitigation |
| Topic 3: Network Implementations | 20% | - Switching technologies and configurations - Wireless standards and deployment - Routing concepts and protocols - Network services configuration - Physical network installation |
| Topic 4: Network Troubleshooting | 24% | - Performance and latency problems - Connectivity issues - Troubleshooting methodology - Tools and command-line utilities - Wireless and security troubleshooting |
| Topic 5: Network Operations | 19% | - High availability and redundancy - Business continuity and disaster recovery - Network monitoring and documentation - Infrastructure automation basics - Performance management and optimization |
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NEW QUESTION # 350
A network administrator needs to reduce network fragmentation between the SAN and the server to decrease backup times. Which of the following MTU sizes should the administrator configure to accomplish this task?
Answer: B
Explanation:
The administrator should configure an MTU size of 9000. This is commonly known as a jumbo frame size.
Standard Ethernet MTU is usually 1500 bytes. Jumbo frames allow larger frames to be transmitted across the network, which can reduce protocol overhead and fragmentation when transferring large amounts of data.
This is especially useful in storage area network environments, backup networks, virtualization networks, and other high-throughput server-to-storage communications.
The CompTIA Network+ N10-009 objectives include Ethernet standards, MTU, jumbo frames, SAN connectivity, performance optimization, and network troubleshooting. For jumbo frames to work correctly, all devices in the path must support and be configured for the larger MTU. This includes server NICs, switches, storage interfaces, and any intermediate network devices. If one device in the path does not support the configured MTU, fragmentation, dropped packets, or connectivity issues can occur.
An MTU of 1500 is the standard Ethernet default and would not reduce fragmentation for large storage transfers. 2000 and 7935 are not the standard Network+ jumbo frame answer. Therefore, 9000 is the best choice.
NEW QUESTION # 351
Which of the following layers in the OSI model is responsible for establishing, maintaining, and terminating connections between nodes?
Answer: C
Explanation:
TheSession Layer(Layer 5 of the OSI Model) is responsible for setting up, managing, and tearing down sessions between applications. It maintains dialog control and synchronizes data exchange between systems.
Reference:Section 1.1 - OSI Reference Model Concepts - "Layer 5 - Session"
NEW QUESTION # 352
Which of the following connection methods allows a network engineer to automate configuration deployment for network devices across the environment?
Answer: A
Explanation:
SSH provides secure, scriptable remote access used by automation/orchestration tools (e.g., leveraging CLI, NETCONF over SSH, or Ansible modules) to push configurations at scale.
NEW QUESTION # 353
Users are unable to access files on their department share located on file server 2.
The network administrator has been tasked with validating routing between networks hosting workstation A and file server 2.
INSTRUCTIONS
Click on each router to review output, identify any issues, and configure the appropriate solution.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Answer:
Explanation:
See the solution in Explanation.
Explanation:
To validate routing between networks hosting Workstation A and File Server 2, follow these steps:
* Review Routing Tables:
* Check the routing tables of Router A, Router B, and Router C to identify any missing routes.
* Identify Missing Routes:
* Ensure that each router has routes to the networks on which Workstation A and File Server 2 are located.
* Add Static Routes:
* If a route is missing, add a static route to the relevant destination network via the correct interface.
* Routing Table:
Step-by-Step SolutionDetailed Analysis and ConfigurationRouter A:Gateway of last resort is 0.0.0.0 to network 0.0.0.0 S* 0.0.0.0/0 is directly connected, GigabitEthernet3
10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks
C 10.0.4.0/22 is directly connected, GigabitEthernet2
C 10.0.6.0/24 is directly connected, GigabitEthernet2
L 10.0.6.1/32 is directly connected, GigabitEthernet2
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C 172.16.27.0/30 is directly connected, GigabitEthernet3
L 172.16.27.1/32 is directly connected, GigabitEthernet3
* Routing Table:
Router B:Gateway of last resort is 0.0.0.0 to network 0.0.0.0
S* 0.0.0.0/0 is directly connected, GigabitEthernet1
10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks
C 10.0.0.0/22 is directly connected, GigabitEthernet1
L 10.0.0.1/32 is directly connected, GigabitEthernet1
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C 172.16.27.4/30 is directly connected, GigabitEthernet1
L 172.16.27.5/32 is directly connected, GigabitEthernet1
* Routing Table:
Router C:10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks
S 10.0.0.0/22 [1/0] via GigabitEthernet1
S 10.0.4.0/22 [1/0] via GigabitEthernet2
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C 172.16.27.0/30 is directly connected, GigabitEthernet2
L 172.16.27.2/32 is directly connected, GigabitEthernet2
C 172.16.27.4/30 is directly connected, GigabitEthernet1
L 172.16.27.6/32 is directly connected, GigabitEthernet1
* Install Static Route to 10.0.0.0/22 via 172.16.27.1 (assuming Router C's IP is 172.16.27.1):
Configuration Steps:Router A:
Destination Prefix: 10.0.0.0
Destination Prefix Mask: 255.255.252.0
Interface: GigabitEthernet3
* Install Static Route to 10.0.4.0/22 via 172.16.27.5 (assuming Router C's IP is 172.16.27.5):
Router B:
Destination Prefix: 10.0.4.0
Destination Prefix Mask: 255.255.252.0
Interface: GigabitEthernet1
* Install Static Route to 10.0.6.0/24 via 172.16.27.2 (assuming Router A's IP is 172.16.27.2):
Router C:Destination Prefix: 10.0.6.0
Destination Prefix Mask: 255.255.255.0
Interface: GigabitEthernet2
Install Static Route to 10.0.0.0/22 via 172.16.27.1 (assuming Router B's IP is 172.16.27.1):
Destination Prefix: 10.0.0.0
Destination Prefix Mask: 255.255.252.0
Interface: GigabitEthernet1
* Router A:
* ip route 10.0.0.0 255.255.252.0 GigabitEthernet3
* Router B:
* ip route 10.0.4.0 255.255.252.0 GigabitEthernet1
* Router C:
* ip route 10.0.6.0 255.255.255.0 GigabitEthernet2
* ip route 10.0.0.0 255.255.252.0 GigabitEthernet1
Summary of Static Routes:These configurations ensure that each router knows the correct paths to reach Workstation A and File Server 2, resolving the connectivity issue.
NEW QUESTION # 354
Which of the following is an XML-based security concept that works by passing sensitve information about users, such as log-in information and attributes, to providers.
Answer: A
Explanation:
Security Assertion Markup Language (SAML) is an XML-based standard used for exchanging authentication and authorization data between parties, particularly between an identity provider (IdP) and a service provider (SP). SAML is commonly used in Single Sign-On (SSO) solutions to pass sensitive user information, such as login credentials and attributes, securely between the identity provider and the service provider.
SAML (Security Assertion Markup Language): Facilitates web-based authentication and authorization, allowing users to access multiple services with a single set of credentials.
XML-based: Uses XML to encode the authentication and authorization data, ensuring secure transmission of user information.
Identity Federation: Enables secure sharing of identity information across different security domains, making it ideal for enterprise SSO solutions.
NEW QUESTION # 355
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