Free Cisco 800-150 Practice Exam with Questions & Answers | Set: 2

Cisco Unified Communications Manager (CUCM) is typically deployed onCisco UCS C-Series servers. These rack-mount servers provide the necessary computing resources to support CUCM's call control and session management functions in enterprise environments. The UCS C-Series servers offer scalability, reliability, and integration capabilities essential for unified communications deployments.​

Options A (Cisco ASR routers), B (Cisco Catalyst switches), and C (Cisco ISR routers) are networking devices designed for routing and switching functions and are not intended as platforms for deploying CUCM.​

According to theCisco FLDTEC training and product documentation:

Cisco PTZ 4K Camera: Offers high-definition video capture with pan-tilt-zoom features and 4K resolution — ideal for large conference spaces.

Cisco Webex Board Pro: Interactive collaboration device that combines video conferencing, whiteboarding, and wireless content sharing.

Cisco Quad Camera: Features multiple cameras for wide-angle views, speaker tracking, and automatic framing — great for medium to large meeting rooms.

Cisco Room Navigator: A touchscreen device that provides intuitive control for room settings, scheduling, and call management.

To ensurehigh availability and fault tolerancein Cisco data center designs, two effective strategies include:

Redundant Supervisor Engines and Fabric Modules: These provide failover capabilities, so if one supervisor or fabric module fails, another can take over, maintaining network operations without interruption.

Virtual Port Channels (vPCs): vPCs allow connections to be made to two physical switches while appearing as one logical switch. This prevents loops and adds redundancy and load balancing, which is critical in high-availability environments.

Other options may enhance performance (e.g., high-density Ethernet) or extend functionality (e.g., FCIP), but do not directly contribute to fault tolerance and high availability in the same way.

Anon-premises deploymentmodel minimizes dependence on internet connectivity for core collaboration functions. In this model, all critical services, including call control, messaging, and conferencing, are hosted within the organization's local infrastructure. This ensures that internal communication services remain operational even if internet connectivity is lost.​

In contrast, cloud-based deployments (Options A and C) and Hosted Collaboration Solutions (Option D) rely on internet connectivity to access services hosted externally, making them more susceptible to internet outages.​

TheCisco Catalyst 9000 Seriesis engineered to address the evolving needs of modern enterprise networks by integrating the functionalities of both the core and distribution layers into a unified, converged architecture. This series offers advanced capabilities such as high-speed data forwarding, enhanced security features, and support for automation and programmability, making it suitable for scalable and efficient network designs.​

The Catalyst 9000 Series includes models like the Catalyst 9500 and 9600, which are optimized for core and distribution roles, providing high throughput and reliability. These switches support advanced features like Software-Defined Access (SD-Access) and are designed to meet the demands of cloud-scale and security-focused environments.​

In contrast, theMeraki MS400 Series(Option A) is tailored for cloud-managed aggregation and lacks the comprehensive feature set required for core functionalities. TheCatalyst 6500 E-Series(Option B), while historically significant, is considered a legacy platform and may not support the latest advancements in network convergence. TheCatalyst 1300 Series(Option C) is designed for small to medium-sized businesses and is not intended for core or distribution layer deployments.​

Online Insertion and Removal (OIR)is a feature supported by Cisco ASR routers that allows for the insertion and removal of hardware components, such as line cards and modules, while the router is operating. Thiscapability enables maintenance and upgrades without the need to power down the system, thus minimizing network downtime.​

Key aspects of OIR include:​

Seamless Operation:OIR allows for hardware changes without interrupting the router's operation.​

Preservation of Routing Information:The router maintains all routing information and active sessions during the insertion or removal process.

Administrative Shutdown:While not mandatory, it is recommended to administratively shut down the interfaces associated with the component being removed to ensure a graceful transition.​

This feature is particularly beneficial in high-availability environments where maintaining continuous network service is critical.​

In enterprise networking, remote sites or branch offices connect to the central campus network using:​

WAN Links:These are dedicated communication paths that connect geographically dispersed networks. WAN links can be leased lines, MPLS circuits, or other forms of long-distance connectivity that facilitate reliable data transmission between remote sites and the main campus.​

IPsec VPN Tunnels:Internet Protocol Security (IPsec) VPNs provide secure, encrypted tunnels over the public internet, allowing remote sites to connect to the enterprise network securely. This method is cost-effective and widely used for connecting branch offices to the central network infrastructure.​

Access layer switches (Option A) and LAN core switches (Option E) are components within a local network and do not facilitate remote connectivity. Ad hoc Wi-Fi networks (Option D) are temporary and lack the security and reliability required for enterprise-level remote connections.​

Apre-service checklistis a procedural step followed before replacing an endpoint. Its primary purpose is toconfirm that all resources, tools,documentation, and personnel are in placeto execute the replacement efficiently and without delays.

It helps avoid service interruptions and ensures a smooth replacement by ensuring that every necessary component and action is accounted for ahead of time.

In a Class B network, the default subnet mask is 255.255.0.0, which allocates:​

16 bits for the network portion

16 bits for the host portion​

When the subnet mask is changed to255.255.255.0, it becomes:​

24 bits for the network portion

8 bits for the host portion​

This indicates that8 bitshave been borrowed from the host portion to create additional subnets. Borrowing bits allows for the division of the original network into smaller sub-networks, enhancing organization and security within the network.​

Cisco UCS E-Series serversare integrated, blade-style compute modules that can be installed insideCisco ISR(Integrated Services Routers). Their primary advantage is toprovide local compute resources in branch officeswithout needing a full data center environment.

This enables:

Hosting of virtual machines or applications locally

Reduced latency for edge computing

Lowered dependency on central data center resources

These servers are ideal for runningbranch-office workloads, virtualization, or edge analytics, allowing enterprises to deploy scalable compute capabilities closer to the data source.