COMPTIA Server+ SK0-004: Networking and Disaster Recovery Exercises, Exams of Nursing

Download COMPTIA Server+ SK0-004: Networking and Disaster Recovery Exercises and more Exams Nursing in PDF only on Docsity! COMPTIA SERVER+ SK0-004: NETWORKING AND DISASTER RECOVERY What are the best practices for media storage and restore operations? - Answer Label backup media with Physical and electronic labels. Verify that the source data is the same as the destination data. Test whether you can restore data from the back-up media. Apply strategies for tape rotation and retention. What are some best practices for managing cables? - Answer Cables should be labelled to identify their purpose. To avoid damage, the cable bend radius should not be exceeded. Cables should be grouped with cable ties for better airflow. what range do registered ports fall into? - Answer 1,024 to 49,151 Which statements describe a default gateway? - Answer It is a type of network device it's used to send data off the network It can be viewed with the ipconfig utility Which statements describe the Media Access Control (MAC) address? - Answer It's a layer 2 address It is the first half of the manufacture ID It can be viewed using the ipconfig command It is represented as a 12-character hexadecimal address Which statements are true about public and private IP addressing? - Answer Public IP address is an IP address that is rout-able on the internet Any system that uses a private IP address cannot send its packets out to the internet Private IP addresses are provided for internal communication within a organization's network what are the considerations for using a Network Interface Card (NIC)? - Answer By default, most network cards detect the duplex state of the system they connect to. Some NICs support multiple speed settings. entries for each session by recording the source and destination ports of the sessions. NAT is used to translate private IP addresses to the public IP addresses. PAT is an extension to NAT that permits multiple devices on a network to be mapped to a single public IP address. NAT is a router-based service that allows a router to change the IP addresses of the packets that they send. Which statement is true about copper cables? - Answer CAT5 is used in a 100-megabit Ethernet or Fast Ethernet environments. CAT6 is used in 10-gigabit Ethernet environments. A rollover cable is used to connect to the console port on a Cisco device. CAT5 is used in gigabit Ethernet networks. Match the types of backups to their descriptions. - Answer Bare metal backup - The operating system, its applications, and data are backed up. Differential backup - Files that have changed since the last backup are backed up, and the archive bit is not cleared. Copy backup - Then selected files are backed up, and the archive bit is not cleared. Snapshot backup - -A read-only copy of the data for a certain point in time is created. Incremental backup - Files that have changed since the last backup are backed up, and the archive bit is cleared. Full backup - The selected files are backed up, and the archive bit is cleared Which statements describe how Dynamic Host Configuration Protocol (DHCP) and static assignment work? - Answer When a system powers on, it broadcasts on the network looking fore a DHCP server. DHCP is used to automatically assign IP addresses to all the systems on a network. A DHCP server must be configured with an IP address scope and lease period. It is time consuming to statically assign IP addresses to all the systems on a network. Which statements describe the characteristics of fiber-optic cabling? - Answer Multiple rays of light travel through the glass core of multi- mode fiber-optic cabling. Single mode fiber-optic cabling has a glass core of approximately 9 microns. A single ray of light travels through the glass core of a single mode fiber-optic cabling. Which statements describe a disaster recovery plan? - Answer It's typically technology driven. It's typically a step-by-step guide on how to recover from failures. It forms part of the business continuity plan. Match the well-known ports to their protocols. - Answer TCP 20 and 21 - FTP TCP 23 - Telnet TCP 443 - HTTPS UDP 67 and 68 - DHCP TCP 80 HTTP UDP 161 - SNMP Subscriber Connector (SC) - It is a snap-in-place connector that's less compact than the other snap-in-place connectors. Small Form-factor Pluggable (SFP) connector - It supports transfer rates of up to 4 gigabits per second. RJ-45 - IT is a twisted pair cabling connector that connects to the Ethernet networks Which statements describe how the Windows Internet Naming Service (WINS) is used? - Answer A NetBIOS name is typically resolves through a network broadcast. The WINS service hosts a database of computer names and corresponding IP addresses. WINS translates NetBIOS names to the IP addresses. Match the types of disaster recovery sites to their descriptions. Some sites are used more than once. - Answer Hot site - Costs the most amount of money. - Includes a facility, equipment, and recent data Warm site - Includes a facility and equipment , but not recent data. Cold site - Includes a facility, but not computers or telephones. - Costs the least amount of money. What type of information is included in a business continuity plan? - Answer Replacement of personnel for key positions. Alternative sites and their functionality. Threats to business, such as crime and natural disasters. Ways to reduce threat risk and recover from threats. Critical business tasks and how to ensure their continuation. Which statements describe a business impact analysis? - Answer It identifies critical tasks for business continuity. It's an early step in creating noncritical tasks for business continuity. It identifies the severity of the impact of functions being unavailable. It specifies the recovery point objective and recovery time objective.