Network Operations

A network administrator is configuring network redundancy for a mission-critical database server equipped with two physical network interface cards (NICs). The server is connected to two separate, independent standalone switches that do not support multi-chassis link aggregation (MLAG). The administrator configures IEEE 802.3ad Link Aggregation Control Protocol (LACP) bonding on the server's interfaces. Immediately after enabling the bond, network monitoring reports severe packet loss, and both switches log MAC address flapping errors. Which of the following is the most appropriate solution to resolve the connectivity issue while maintaining interface redundancy?

Match each out-of-band management technology on the left to the enterprise infrastructure recovery scenario on the right for which it serves as the most appropriate solution.

A network administrator is troubleshooting an isolated server at a remote site after its operating system suffers a complete kernel panic. Because the host OS is non-functional, all in-band management sessions are disconnected and unresponsive. The administrator must view pre-boot POST and BIOS screens and perform a hard power cycle on the system without physical access. Which of the following deployment strategies best achieves these out-of-band management objectives?

A network administrator needs to select remote access mechanisms for data center infrastructure that provide secure, encrypted command-line management or function out-of-band during a primary production network outage. Which of the following options satisfy these requirements? (Select TWO)

A network security administrator is updating telemetry and remote management policies for core switches transmitting data across an untrusted WAN link. To comply with security auditing standards requiring both encrypted log transport and secure network polling, which TWO of the following configuration options should be implemented? (Select TWO)

A network technician needs to configure out-of-band (OOB) management access for a core router to ensure administrative connectivity remains available even during a total failure of the primary local network interfaces. Which connection method should be configured?

A network engineer is investigating complaints of erratic video feed freezing during executive webcasts between two branch offices. Telemetry logs indicate a stable average round-trip time (RTT) of $18\text{ ms}$, but the variation in inter-packet arrival delay fluctuates sharply between $4\text{ ms}$ and $165\text{ ms}$. Additionally, company policy dictates that device telemetry collection via remote polling must encrypt all payload data over the wire using authenticated credentials. Which performance metric is degrading video quality, and which monitoring configuration satisfies the security policy?

A network engineering team is designing a resilient out-of-band (OOB) infrastructure for a remote edge data center. The goal is to ensure that administrators can perform direct console configuration and hard power cycles on core infrastructure even during a total failure of the site's primary WAN router and internal LAN routing. Which TWO of the following solutions must be deployed to fulfill these specific out-of-band recovery requirements?

Match each remote access and out-of-band management technology on the left with its primary administrative function on the right.

During a routine automated security audit, a network engineer discovers that a custom Access Control List (ACL) rule was manually added directly to a perimeter firewall during an unrecorded late-night troubleshooting session. The rule remains active in production and bypasses the organization's documented security baseline. According to standard change management best practices, which of the following actions should the engineer take first?

A network technician is auditing a campus network layout where two Layer 3 switches operate as redundant gateways for a corporate VLAN. Users report degraded throughput during high-traffic periods, and analysis reveals that traffic regularly traverses the inter-switch trunk link to reach the active gateway. Which TWO configuration steps should the technician verify or implement to ensure optimal high-availability traffic paths and prevent unnecessary trunk saturation? (Select TWO.)

A network operations team plans to upgrade the core layer-3 switches in a healthcare system's primary data center. Place the following change management phases in the correct sequence from start to finish.

A network technician needs to perform the initial configuration on a brand-new managed switch that has no IP address assigned to its interfaces. Which of the following connection methods should the technician use to access the device command-line interface?

A network administrator needs to configure secure in-band remote command-line management for a newly deployed network switch. Which of the following protocols and associated TCP port numbers should be selected to ensure all administrative sessions are encrypted? (Select TWO.)

A network administrator prepares a Request for Change (RFC) to perform a major firmware upgrade on the primary core switches of a enterprise network. The submitted RFC includes the technical rationale, a comprehensive risk impact analysis, results from pre-deployment sandbox testing, and a designated maintenance window schedule. During the Change Advisory Board (CAB) review, the committee defers approval due to an omitted required section. Which of the following critical elements was missing from the submitted RFC?

Match each out-of-band management operational requirement on the left with the most appropriate hardware management technology on the right.

Match each enterprise high-availability mechanism or protocol on the left with its correct operational description on the right.

During a scheduled high-availability failover test, a network administrator powers down Core Router A, which participates in a Virtual Router Redundancy Protocol (VRRP) group with Core Router B. Core Router A has a physical IP address of 10.1.10.2, Core Router B has a physical IP address of 10.1.10.3, and the VRRP virtual IP (VIP) is 10.1.10.1. Immediately following the shutdown, several workstations lose connection to remote networks. Troubleshooting reveals that these workstations have their default gateway statically configured as 10.1.10.2. What is the root cause of the connectivity failure?

A network technician needs to establish direct administrative access to a network switch whose network interfaces are completely unreachable due to a network link failure. Which connection method provides dedicated out-of-band management to the command-line interface without relying on active network IP connectivity?

A corporate enterprise plans to deploy a new port security baseline across all access switches at branch office sites during an upcoming scheduled maintenance window. Which of the following components MUST be included within the formal Request for Change (RFC) document prior to submitting it for Change Advisory Board (CAB) review? (Select TWO.)