IT Questions and Answers :)

Wednesday, March 18, 2020

Which of the following is a routing protocol?

Which of the following is a routing protocol?

  • NTP
  • VLAN
  • EIGRP
  • NTLMv2 

Which of the following is a routing protocol?

EXPLANATION




Enhanced Interior Gateway Routing Protocol (EIGRP) is an interior gateway protocol suited for many different topologies and media.
In a well designed network, EIGRP scales well and provides extremely quick convergence times with minimal network traffic.

SOURCE

https://www.cisco.com/c/en/us/support/docs/ip/enhanced-interior-gateway-routing-protocol-eigrp/16406-eigrp-toc.html
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Tuesday, March 17, 2020

How many pairs are usually in a Cat5 or Cat6 network cable?

How many pairs are usually in a Cat5 or Cat6 network cable?

  • 6 pair
  • 8 pair
  • 2 pair
  • 4 pair 

How many pairs are usually in a Cat5 or Cat6 network cable?

EXPLANATION

Usually cat5 or cat 6 cable is 4 pair package.


SOURCE

https://community.spiceworks.com/topic/258905-in-network-cable-4-pair-of-wire-is-there-only-2-pair-is-used-why-other-2-pair
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Friday, March 13, 2020

What function on VMware allows the manual or automatic distribution of VM's between hosts for a balanced computing resourse?

What function on VMware allows the manual or automatic distribution of VM's between hosts for a balanced computing resourse?

  • X-Switch vMotion
  • DRS
  • HA
  • vMotion 

What function on VMware allows the manual or automatic distribution of VM's between hosts for a balanced computing resourse?

EXPLANATION

VMware DRS (Distributed Resource Scheduler) is a utility that balances computing workloads with available resources in a virtualized environment. The utility is part of a virtualization suite called VMware Infrastructure 3.
With VMware DRS, users define the rules for allocation of physical resources among virtual machines. The utility can be configured for manual or automatic control. Resource pools can be easily added, removed or reorganized. If desired, resource pools can be isolated between different business units. If the workload on one or more virtual machines drastically changes, VMware DRS redistributes the virtual machines among the physical servers. If the overall workload decreases, some of the physical servers can be temporarily powered-down and the workload consolidated.

SOURCE

https://pubs.vmware.com/vsphere-50/index.jsp?topic=%2Fcom.vmware.wssdk.pg.doc_50%2FPG_Ch13_Resources.15.6.html
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Thursday, March 12, 2020

Which of these is NOT an FSMO role?

Which of these is NOT an FSMO role?

  • RID Master
  • Schema Master
  • TCP Master
  • PDC Emulator 

 
Which of these is NOT an FSMO role?

EXPLANATION

There are 5 FSMO roles:
PDC Emulator (One per domain), RID Master (One per domain), Schema Master (One per forest), Domain Naming Master (One per forest), Infrastructure Master (One per domain)
https://wiki.samba.org/index.php/Flexible_Single-Master_Operations_(FSMO)_Roles

SOURCE

https://wiki.samba.org/index.php/Flexible_Single-Master_Operations_(FSMO)_Roles
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Wednesday, March 11, 2020

What kind of connectors can be used to connect a PC power supply to a hard drive?

What kind of connectors can be used to connect a PC power supply to a hard drive?

  • Molex
  • P9
  • AT
  • Mini-molex 

What kind of connectors can be used to connect a PC power supply to a hard drive?

EXPLANATION

A molex connector has cylindrical spring-metal pins that fit into cylindrical spring-metal sockets. The pins and sockets are held in a rectangular matrix in a nylon shell. The connector typically has two to 24 contacts and is polarized or keyed to ensure correct orientation. Pins and sockets can be arranged in any combination in a single housing, and each housing can be either male or female.
There are three typical pin sizes: 1.57 mm (0.062 in), 2.13 mm (0.084 in), and 2.36 mm (0.093 in). The 1.57 mm pin can carry 5 A of current, while the 2.36 mm can carry 8.5 A. Because the pins have a large contact surface area and fit tightly, these connectors are typically used for power.
https://en.wikipedia.org/wiki/Molex_connector

SOURCE

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