Computer Networks

Network High Priority request tickets typically involve outage-related critical issues and require two-way escalation to GNS (Global Network Services) for proper handling and resolution. They are not treated as normal tickets or directly actioned by engineers without formal escalation.

This is a duplicate of question 151640. Network High Priority request tickets typically involve outage-related critical issues and require two-way escalation to GNS for proper handling and resolution.

In MSChange, when you need to make a change to a service or property to resolve an active incident, you must complete an Emergency RFC (Request for Change). Emergency RFCs are specifically designed for urgent changes required to fix incidents or restore service. Normal RFCs and Standard RFCs are for planned, non-urgent changes that go through the standard approval and scheduling process.

Cricket can be accessed via the URL http://cricketnet, making this statement true. This is the standard web interface URL for accessing the CricketNet monitoring tool. Option A (True) is the correct answer.

CLI (Call-Level Interface) manages the request and response communication flow between client applications and the Teradata database. TDP is a driver protocol, ODBC is a standardized interface, and MOSI is unrelated to request/response handling.

In Teradata database architecture, the Access Module Processor (AMP) is the vproc responsible for retrieving, processing, and storing database records. The Parsing Engine (PE) merely coordinates the request, parses SQL, and creates the execution plan, leaving the actual data manipulation and processing to the AMPs.

DHCP stands for Dynamic Host Configuration Protocol. It's a network management protocol used to dynamically assign IP addresses and other network configuration parameters to devices. The 'Dynamic' reflects that addresses are allocated automatically, 'Host' refers to network devices, and 'Configuration Protocol' describes its function of setting up network settings.

ARP stands for Address Resolution Protocol. It's used to map IP addresses to physical MAC addresses on a local network. The 'Resolution' part refers to resolving (discovering) the hardware address corresponding to a known IP address. This is essential for devices to communicate at the data link layer.

In network architectures like VIPNET, a server farm or pool represents a logical collection of multiple servers grouped together to distribute workloads or handle requests. It does not refer to all property-specific servers or physical switches like DIPs or VIPs.

DNS primarily uses UDP for queries because it's fast and lightweight. Most DNS queries fit in a single UDP packet, making it the standard protocol. TCP is only used for zone transfers or when responses are very large.

ARP (Address Resolution Protocol) resolves IP addresses to MAC (Ethernet) addresses within a local network. When a device needs to send data to another device on the same network, it uses ARP to discover the target's hardware address. It does not resolve domain names or hostnames.

Static NAT creates a permanent one-to-one mapping between a private IP address and a public IP address, allowing the internal host to be consistently reachable from the internet. This is commonly used for servers that need to be accessible externally. The other options incorrectly describe NAT functionality.

MRTG (Multi Router Traffic Grapher) is a network monitoring tool that measures and visualizes traffic load on network links. It creates graphs showing bandwidth usage over time, helping administrators identify congestion patterns and plan capacity.

WPA (Wi-Fi Protected Access) and SSH (Secure Shell) are security protocols used to encrypt communications. WP likely refers to WPA. HTTPD is a web server software, not a security mechanism.

The netstat command is used to display network connections and identify servers connected to a domain. It shows active TCP connections, ports the server is listening on, and can reveal connected servers or services. prstat monitors process statistics, jvmstat is for Java Virtual Machine monitoring, while xtstat and mvstat are not standard network utilities.