What Additional Information Is Contained In The 1

What Additional Information Is Contained In The 1

Question 11tco 1 What Additional Information Is Contained In The 1

Question 1. 1. (TCO 1) What additional information is contained in the 12-bit extended system ID of a BPDU? (Points : 6) VLAN ID Host address MAC address Port ID Question 2. 2. (TCO 1) EIGRP is a _____. (Points : 6) link-state routing protocol proprietary routing protocol protocol that works well in smaller networks statistical routing protocol Question 3. 3. (TCO 1) _____ is enabled by default. (Points : 6) STP EtherChannel PortFast VLAN 100 Question 4. 4. (TCO 2) How would you describe an EtherChannel implementation? (Points : 6) EtherChannel supports between two to 10 separate links. It increases the chance of a spanning-tree loop. A trunked port can be part of an EtherChannel bundle. EtherChannel operates only at layer 2. Question 5. 5. (TCO 2) You have configured EtherChannel .

Which command will display the group used? (Points : 6) show interface port-channel3 show etherchannel summary show etherchannel port-channel show interface g0/1 etherchannel Question 6. 6. (TCO 2) The configuration of which other protocol can affect or cause problems with the EtherChannel configuration? (Points : 6) LACP DTP STP DTP and STP Question 7. 7. (TCO 3) _____ is a global organization that certifies the interoperability of 802.11 products from different vendors. (Points : 6) FCC IEEE ITU-R Wi-Fi Alliance Question 8. 8. (TCO 3) A(n) _____ is used in enterprise deployments to manage groups of lightweight access points (Points : 6) access point RADIUS authentication server WLAN controller Wireless switch Question 9.

9. (TCO 3) Which technology is used to increase the available bandwidth for the wireless network? (Points : 6) MIMO Mixed mode OFDM WPS Question 10. 10. (TCO 4) Which OSPF state is reached when the network has converged? (Points : 6) Converge Exchange Full Two-Way Question 11. 11. (TCO 4) _____ is a link-state routing protocol. (Points : 6) EIGRP OSPF RIPv2 RSTP Question 12. 12. (TCO 4) Why would OSPF routing protocol authentication be enabled on a network? (Points : 6) To activate IPsec for IPv6 To share routing information with neighbors in a secure manner To block unauthorized access to the router To activate LACP Question 1. 1. (TCO 4) How might one describe OSPF type 5 LSAs? (Points : 6) They are used to update routes between OSPF areas.

They are called autonomous system external LSA entries. They are called router link entries. They are used where there is an elected DR in multi-access networks. Question 2. 2. (TCO 4) How might one describe OSPF type 3 LSAs? (Points : 6) They are used to update routes between OSPF areas.

They are called autonomous system external LSA entries. They are called router link entries. They are used where there is an elected DR in multi-access networks. Question 3. 3. (TCO 5) EIGRP _____ packets have a need for specific information. (Points : 6) Hello Query Update Reply Question 4.

4. (TCO 5) The EIGRP hello packets are sent using the _____ protocol? (Points : 6) TCP reliable RTP UDP unreliable RTP Question 5. 5. (TCO 5) What is a benefit of EIGRP? (Points : 6) It is an open standard. Automatic route summarization of all routes Quickly adapts to alternate routes for rapid convergence It does not use loopback addresses. Question 6. 6. (TCO 5) A network engineer issues the maximum-paths command to configure load balancing in EIGRP.

Which CLI mode is he in? (Points : 6) Privileged mode Global configuration mode Router configuration mode Interface configuration mode Question 7. 7. (TCO 5) The quad zero static default route _____. (Points : 6) is not used with EIGRP should be configured on the router facing the ISP is distributed for IPv6 with the redistribute IPv6 static command is represented as 0.0.0.0 255.255.0.0 Question 8. 8. (TCO 5) _____ is also called the bit bucket. (Points : 6) Loopback Link-Local Null0 interface EIGRP process link Question 9. 9. (TCO 6) On Cisco routers, where is the IOS stored? (Points : 6) Flash memory NVRAM ROM tftp server Question 10. 10. (TCO 6) What is the tftp server used for? (Points : 6) It allows for management of the router from a remote location.

It is required for VPN connectivity for workers who must travel. It is used as a backup location for the IOS. It holds the IOS license agreement. 1. (TCO 1) Name the characteristics which would more likely 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. (Points : 14) Question 2. 2. (TCO 2) What is a benefit of using the channel-group 2 mode passive interface configuration command? (Points : 14) Question 3.

3. (TCO 3) Describe in detail the WiGig standard, in your own words. (Points : 14) Question 4. 4. (TCO 4) What is the criteria for selecting the OSPF router ID that uniquely identifies a router in an OSPF domain? Explain the process of selecting the router ID. (Points : . (TCO 4) In your own words, list and describe the four steps to implementing multi-area OSPF. (Points : 14) Question 2. 2. (TCO 5) What are the three default EIGEP ADs with the source of route. List them in the order of preferred administrative distance with the best AD first. (Points : 14) Question 3.

3. (TCO 5) Write all the necessary commands to support MD5 authentication of the CHG_Secure keychain with a key string of Pep$R5. You must also include the IOS command prompts in front of the commands. Assume that you are already in global config mode. Rtr1(config) # (Points : 14)»

Paper For Above instruction

What Additional Information Is Contained In The 1

What Additional Information Is Contained In The 1

This comprehensive paper explores various networking topics, focusing on protocol specifics, network device features, and security measures essential in current network infrastructures. Beginning with an examination of BPDU system IDs, the discussion moves through routing protocols like EIGRP and OSPF, wireless standards such as Wi-Fi and WiGig, and the configuration practices for securing these networks. Additional topics include device storage, management protocols, and hierarchical network design considerations.

Introduction

In today’s interconnected world, understanding the intricacies of network protocols and infrastructure components is critical for network administrators and engineers. These components facilitate efficient data transmission, reliable network performance, and secure communications. This paper aims to analyze key aspects of networking systems, including protocol characteristics, device functionalities, and security configurations, providing a comprehensive overview relevant for professional deployment and troubleshooting.

Analysis of BPDU System ID and Routing Protocols

The Bridge Protocol Data Units (BPDU) are foundational for Spanning Tree Protocol (STP) operation in Ethernet networks. The extended system ID, specifically a 12-bit field, contains supplemental information that aids switches in route selection processes. This extended ID typically incorporates VLAN IDs, which are crucial for segregating traffic, but it may also contain host addresses, MAC addresses, or port IDs. Among these, VLAN IDs are the most significant, enabling switches to distinguish multiple virtual LANs and effectively manage traffic across different segments.

The presentation of this additional information allows network devices to optimize topology calculations, prevent loops, and assign unique identifiers to each switch in multiple VLAN environments. Specifically, VLAN IDs embedded within the extended system ID facilitate efficient VLAN management and Isolation, supporting network segmentation crucial in enterprise environments.

Routing Protocols: EIGRP and OSPF

EIGRP (Enhanced Interior Gateway Routing Protocol) is classified as an advanced, proprietary routing protocol that integrates features of both distance-vector and link-state protocols. It is designed to operate efficiently within small to large-scale networks, supporting rapid convergence and scalability. EIGRP's proprietary nature means it is mainly used within Cisco networks, although the protocol's openness has increased in recent years.

OSPF (Open Shortest Path First), on the other hand, is a standardized link-state routing protocol used extensively in large and complex networks. OSPF states when the network has converged, it reaches a "Full" adjacency state, where routers have exchanged link-state advertisements (LSAs) and have a consistent view of the network topology. Authentication in OSPF enhances security by ensuring that only authorized routers can participate in the routing process, protecting the integrity and confidentiality of routing information.

Wireless Technologies and Standards

Wireless networking standards like Wi-Fi and WiGig have become pervasive in enterprise and consumer environments. Wi-Fi Alliance certifies interoperability between devices through standards that include technologies like IEEE 802.11. WiGig, based on the 60 GHz band, provides extremely high bandwidth for data transfer, making it suitable for applications requiring ultra-fast wireless communication.

WiGig employs a multi-gigabit MIMO (Multiple Input Multiple Output) technology, leveraging OFDM (Orthogonal Frequency Division Multiplexing) to increase bandwidth and reduce interference. These advances help meet escalating data demands within modern wireless networks, supporting seamless media streaming, virtual reality applications, and increasing device densities.

Network Device Storage and Management

The storage of IOS (Internetwork Operating System) on Cisco routers primarily occurs in flash memory, which provides non-volatile storage, essential for maintaining the OS after power cycles. TFTP (Trivial File Transfer Protocol) servers are used to facilitate device management, including IOS image transfers, backups, and configurations. This protocol is critical for remote management, especially in large networks where physical access to every device is impractical.

Hierarchical Network Design and IPv6 Security

In hierarchical design models, the access layer is optimized for high port density, enabling connection to end devices with characteristics like scalability and port availability. Proper selection of router IDs in OSPF involves choosing the highest IP address, loopback interface, or a manually configured value, ensuring each router's unique identifier within the Autonomous System.

Multi-area OSPF implementation involves four main steps: establishing backbone connectivity, configuring area borders, assigning network segments to areas, and verifying adjacency and routing tables. These steps improve scalability and manageability in large, complex networks.

Routing Protocol Authentication and Default Routes

When configuring routing protocols like EIGRP and OSPF, setting administrative distances (ADs) determines route preference. EIGRP default ADs typically include three values: for internal routes, external routes, and EIGRP summary routes, with internal routes being the most preferred.

The quad zero static default route, representing 0.0.0.0/0, is mainly configured for IPv4 routing and is essential for forwarding packets destined outside the local network, typically toward an ISP. It is used extensively in BGP and static routing configurations, especially in edge routers.

Security Measures and Network Management

Authentication in routing protocols, such as MD5 (Message Digest 5), ensures secure routing updates. Configuring MD5 involves creating a keychain, associating keys with specific passwords, and applying the authentication to routing protocol interfaces. Modern network devices store IOS images in non-volatile flash memory, which is accessible via TFTP servers for management and recovery procedures.

Conclusion

Understanding the detailed mechanisms behind network protocols, device configurations, and security practices is vital for maintaining robust, efficient, and secure networks. From protocol specifics like BPDU system IDs to advanced wireless standards like WiGig, each component plays a crucial role in ensuring seamless network operation in today's dynamic environments.

References

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  • Cisco Systems. (2022). Cisco IOS Software Configuration Guides. Cisco.
  • Schaefer, G. (2018). Wireless Communications & Networks. McGraw-Hill Education.
  • Perkins, C. (2020). Wi-Fi Standards Explained. IEEE Communications Magazine, 58(2), 35-41.
  • Nagpal, A. (2019). Implementing Network Security Protocols. Journal of Network Security, 12(3), 76-85.
  • Ramaswamy, S. (2021). Multi-Area OSPF Deployment Techniques. Journal of Network Architecture, 16(4), 210-222.
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