1.75 inches (4.4 cm)
Which of the following is the height of 1U of space in a server rack?
Fault tolerance
A blade server chassis has two power supplies. Which of the following is a benefit of a technicianconnecting each power supply to a separate UPS unit?
4
A blade chassis can hold 16 half-height blades or eight full-height blades. Which of the following isthe MAXIMUM number of half-height blades that can be installed in the chassis if six full-heightblades are already installed?
Bus type and speed
A technician is asked to install an additional NIC in a server. Which of the following hardwareconsiderations would be BEST for the technician to make?
The NICs should be placed into a team with one MAC address.
A server technician is replacing a web server in an organization. The new server has twointegrated NICs. Which of the following describes how the NICs should be configured for faultprotection?
RAID 1
A server administrator is implementing disk redundancy in all database servers. Which of thefollowing RAID configurations should the administrator use so that a MINIMUM number of disksare required?
The server should have at least two NICs: one configured with an IP address on the insidenetwork, and one with an IP address on the outside network.
A server administrator is configuring a new server for an organization. The server will function as afirewall and proxy server, as well as provide NAT services for other devices on the network. Whichof the following BEST describes how the network hardware on the server should be configured?A. The server should have at least two NICs: one configured with an IP address on the insidenetwork, and one with an IP address on the outside network.B. The server should have at least two NICs: each NIC should be configured with an IP addresson the same network segment.C. The server requires only one NIC, as the NIC can be configured with two IP addresses: one forthe inside network segment, and one for the outside network segment.D. The server requires at least three NICs: one configured with an IP address for the intranetclients, one with an IP address on the inside network, and one with an IP address on the outsidenetwork.
call an electrician to see if 3-phase power can be brought into the room.
A certain rack mounted blade server chassis needs 3-phase power for operation. There iscurrently only single-phase power coming into the room. The administrator needs to:
Two power supplies, each hooked up to separate 1-phase circuits.
Which of the following is the MOST redundant power solution?
-48VDC
An administrator is tasked with deploying a server in a telephone switching station. Which of thefollowing voltages will MOST likely be available at the facility?
Hostname, IP address
As a best practice, which of the following should be determined prior to provisioning a server?(Select TWO).
TFTP
A system administrator needs to install an operating system onto a new server in a remotelocation using PXE. Which of the following methods will BEST accomplish this?
Reconfigure the boot order
A technician is installing an operating system on a server using source files on a USB storagedevice. The technician is unable to boot to the USB device using different USB ports on theserver. Which of the following should the technician do to ensure that the operating system can beinstalled from the USB storage?
FAT32
The IT director instructed the systems administrator to build a server to support the accountingdepartment's file growth. The IT director requested that the accounting users have the ability toencrypt their files; however, the accounting users have reported the inability to encrypt their files.Which of the following file system types is MOST likely causing this issue?
DNS
Which of the following server types translates FQDNs to IP addresses?
active/active.
Two servers are to be configured for high availability in a cluster. Both servers will be runningapplications at the same time. This feature is know as:
For synchronizing clocks on network devices
Which of the following is the purpose of an NTP server?
the host must be reachable via the IP address.
An administrator wishes to use KVM remotely to monitor and control a server farm. In order toperform this function:
A/C
An administrator needs to reconfigure a Linux server's operating system. Which of the followingtools can the administrator use to access a command shell over the network? (Select TWO).A. Connect with SSHB. Connect with RDPC. Connect with VNCD. Connect with BASHE. Connect with FTP
KVM
A system administrator needs to directly control a server that has no network connectivity. Whichof the following should be used to accomplish this?
Service level agreement
A customer reports that connectivity to their web server has been sporadic throughout themorning. An administrator has applied OS patches periodically throughout the morning andrebooted the server. Which of the following has the administrator MOST likely violated?
Follow change management procedures.
A technician needs to install additional memory in a server to help resolve performance issues.Which of the following should the technician do FIRST?
Develop a plan to build a test server.
A line-of-business software patch notification is received. The notification indicates that version 5.0of the software has new features that the accounting department has been expecting. The updaterequires a new version of the OS and new version of SQL on the server. Which of the followingshould the administrator perform FIRST?
Server configuration documentation
A system administrator is asked to set up several physical file servers that have recently crasheddue to a power failure. Which of the following documents should the administrator refer to in orderto complete this task?
Dataflow diagrams
When attempting to diagnose service access issues between multiple hosts that coordinateinformation, which of the following can be used to track dependencies?
The vendor's hardware compatibility list
An organization has agreed on the software that will be used to virtualize the company's webservers. Which of the following should the administrator reference prior to purchasing physicalservers to be deployed as hosts in the new virtual architecture?
There is increased hardware support since there is an OS layer.
Which of the following is a benefit of utilizing a type 2 hypervisor to manage guests?
Host
A system administrator has decided to create several VMs for a company. In which of the followinglocations would each of the VMs reside?
99.999%
An ISP is currently drafting and compiling a Service Level Agreement that states there should onlybe 5.26 minutes of downtime per year, 25.9 seconds per month, and 6.05 seconds per week.Which of the following percentages should be used to meet these metrics?
SAS
A technician is tasked with building a test server. Which of the following hard drive types willprovide the highest performance?
SSD
A technician is tasked to build a server requiring the fastest possible performance. Which of thefollowing would achieve this requirement?
Seek time
A technician is called upon to add storage to a database server. The database administratorneeds the maximum performance for accessing many small files. Which of the followingspecifications should the technician focus on when selecting the drive to add to the server?
5
A hardware compatibility list recommends striping with double parity as storage for an application.In a test environment, a technician realizes that a different RAID level can be used to compensatefor a limited number of available disks. Which of the following is the closest RAID level thetechnician should deploy while minimizing the number of disks and maintaining fault tolerance?
Battery backed cache
An emergency power off accidentally occurs in a datacenter during a fire alarm test. On recovery,the server administrator notices that an external storage array is performing consistency checkson all the volumes configured in the array. Which of the following components of the storage arrayhas MOST likely failed or faulted?
LUN masking
A server administrator wants to isolate a SAN hosted LUN to be visible to only a single host.Which of the following methodologies would be used to present the LUN to only that host?
FC SAN
A system administrator has determined that more storage is needed for company data. Thestorage requires the highest speed data transfer rate with maximum performance. Which of thefollowing solutions MUST be implemented to meet the business requirements?
Disk quotas
An administrator is developing a storage growth plan for a new file server. Which of the followingshould be implemented on the server so that storage growth is restricted?
ServerA-23TB, ServerB-36TB
A server administrator is researching the purchase of SSD for a server. The administrator receivesa report from the datacenter technician detailing current storage requirements and future growthplanning estimates as follows:ServerA: Current-15TB-Future-50% growthServerB: Current-20TB-Future-80% growthBased on this report, which of the following represents the MINIMUM storage requirementsneeded?
Bank card and PIN.
Which of the following provides two-factor authentication?
Store the information encrypted and offline in a storage safe.
Which of the following is the MOST secure method of storing critical and sensitive systeminformation (e.g. administrative passwords, trusted signing keys)?
iptables -i OUTPUT -d 10.152.8.0/21 -p TCP --dport 22 -j REJECT
A network administrator is tasked to block all outbound SSH connections on the default port from anetwork subnet of 10.152.8.0/21 on a Linux based firewall. Which of the following rule sets wouldaccomplish this task?
Disable any unused physical ports until needed
A company has recently had sensitive data stolen by a contractor who plugged a flash drive into aserver. Which of the following is the BEST method to prevent future occurrences?
DMZ
Network devices between two firewalls are included in which of the following?
VLAN
A system administrator is tasked with dividing the network so that each department is separatefrom the other. Which of the following should be used to accomplish this task?
Grant appropriate permissions to only users in the Accounting department for both the shareand NTFS
Which of the following is an example of the principle of least privilege and is the MOST securewhen granting access to a shared network drive used by the Accounting department?
Zero all block sectors
Which of the following methods should a technician perform to properly clear a hard drive before disposal?
SMS messages
A server unexpectedly shut down as a result of overheating. An alert was sent to theadministrator's email address but the administrator was away from the workstation when the alertarrived. Which of the following would have been a more effective method for sending the alertnotification?
Perform a test on the UPS batteries
A server technician in a datacenter configures a daemon to monitor the battery health in a UPS.Over a two day time period, the daemon generates a warning message. Which of the followingrepresents the FIRST action that should be taken by the server technician?
DNS, WINS
A server technician is performing a server installation. This server must be able to resolve hostnames for users running a variety of client operating systems. At a minimum, which of thefollowing services should be enabled on the new server? (Select TWO).
IP: 192.168.55.5, NETMASK 255.255.255.128
A technician has finished installing the operating system on a new server and needs to provide IPaddressing information. The server will be connected to the DMZ network. Devices on thenetwork use a default gateway address of 192.168.55.1. Which of the following is a valid IPaddress for a server in the DMZ network?
DHCP
Clients cannot connect to the network. A technician determines that port 68 is not open. Which ofthe following protocols is being blocked?
RDP, SSH
Which of the following protocols can be used to perform configuration management on a remoteserver using the MOST secure methods? (Select TWO).
HTTP
Which of the following protocols is considered stateless and utilizes TCP when communicatingbetween a server and client?
CAT6 crossover cables
A server technician needs to connect two servers with gigabit NICs without MDI-X in order totransfer files between them and is unable to locate a switch with gigabit ports. Which of thefollowing types of cables would allow the technician to connect the servers to obtain the FASTESTtransfer rate possible?
CAT6 straight-through cable
A server technician is connecting a server to a switch in the server room. Both the server and theswitch are equipped with 10 Gigabit Ethernet adapters. Which of the following cable choices wouldproduce the BEST throughput?
/26
A server administrator is setting up a new set of hosts for an application that requirescommunication between all the hosts on a dedicated private subnet. Initially, the configurationconsists of four hosts and is expected to grow to 48 total as the application is implemented for theentire company. When configuring the private subnet, which of the following CIDR netmaskswould allow for the full number of hosts once the application is fully in production with the leastnumber of unused addresses allocated?
Cold site
An administrator is updating the server infrastructure at a company's disaster recovery site.Currently, an enormous amount of effort is required by the administrator to replicate operations.Which of the following types of site is the administrator currently using?
Hot site
A technician has traveled to a company's alternate site to assess current operations of the networkinfrastructure. Following the assessment, the technician has informed management thateverything is operational, with all applications and data mirrored. Which of the following types ofsite does the company have?
Check the DRP and BCP and talk to the company stakeholders before making the decision.
A hardware failure affects a server in a datacenter. The server is critical to company operation,and the hardware vendor is out of stock on the parts needed to repair the server. A networktechnician suggests replacing it with a server from the warm site. Which of the following should thetechnician do FIRST?
Assign a different set of tapes for daily, weekly, and monthly backups.
A technician wants to implement a grandfather-father-son tape rotation policy. Which of thefollowing implements this backup strategy?
Bare metal
In an effort to reduce recovery time during hardware failures, a server administrator needs toimplement a backup method that will allow for complete OS and service/application recovery aslong as compatible hardware is available. Which of the following backup types meets thisrequirement?
Snapshot
A technician needs to install an operating system patch on a virtual server. Which of the followingbackup types should the technician perform prior to the patch installation that will allow the serverto be restored the FASTEST?
Full
An administrator needs to perform a backup of all servers for an upcoming disaster recoveryexercise at a company cold site. Which of the following types of backup should be performed?
Establish a plan of action to implement the solution in production.
A company has hired a consultant to review the production storage infrastructure and providesuggestions on improving performance. The consultant has identified a bottleneck in theproduction switching fabric and successfully tested the solution in a lab environment. Which of thefollowing should the consultant perform NEXT, according to best practices?
Root cause analysis
Which of the following involves finding and correcting the MOST important reason for performanceissues?
Incorrect media type
A system administrator needs to rebuild a server by booting to the OS DVD. The server powers upbut attempts to boot from the network. Which of the following is the MOST likely source of theproblem?
Cooling failure
A technician is asked to troubleshoot a server that constantly reboots. There are no errormessages displayed on the server. Which of the following should the technician check?
Check system board cables
A technician receives an error message when trying to boot the server stating the operatingsystem was not found. Change management logs indicate a new hard drive backplane was installed in the server last night. Which of the following should the technician do FIRST whentroubleshooting the issue?
Check the application logs.
A database server stops responding to requests, and the administrator suspects that the server isexperiencing memory faults during heavy network traffic and database access. Which of thefollowing is the FIRST troubleshooting step?
df
A technician is troubleshooting a Linux server and wants to inspect the free disk space on the/dev/sda partition of the system. Which of the following command line tools should theadministrator run to view available disk space on the partition?
Service/application memory leak
A system administrator notices that a server is consistently getting slower and less responsive thelonger it has been since the last reboot. Once the server is rebooted, the system performs at theexpected baseline, but starts slowing down again until the system is unresponsive. Which of thefollowing is the MOST likely cause of this problem?
Change the IP address on the server to 10.10.10.254.
Users on a network segment report that they are unable to connect to a newly installed file server.The file server IP address settings are as follows:IP address: 10.0.10.254Subnet Mask: 255.255.255.0Default Gateway: 10.10.10.1Which of the following changes should the server administrator make?
Incorrect default gateway
A technician is troubleshooting an issue with a new server, which is unable to download OS patches from the Internet. The technician reviews the following configuration:Ethernet Adapter Local Area Connection:Connection-specific DNS Suffix . : comptia.orgLink-local IPv6 Address . . . . : fe80::c95:3f59:1a01:c050%11IPv4 Address . . . . . . . . . . : 192.168.10.20Subnet Mask . . . . . . . . . . : 255.255.255.128Default Gateway . . . . . . . . : 192.168.10.129Which of the following is the reason that the server is unable to connect to the Internet?
The DHCP relay agent was not configured on the adjacent network segment.
A new DHCP server is placed on a network segment during off hours. When work resumes, userson a different network segment report connectivity issues. Users on the same network segmentreport no connectivity issues. Which of the following is the MOST likely reason for the connectivityissues?
Backplane failure
A server administrator is notified that all three hard disks in a server array have failed. Which ofthe following is the MOST likely cause?
Tape media
When troubleshooting a failed backup, a technician runs the backup using the same tape but on adifferent tape drive in the same tape library. The backup fails again. Which of the following shouldbe the FIRST item the technician should examine as a failure?
443
An administrator is securing a secure web server by disabling ports. After completing this process,clients cannot access the secure web server. The administrator should now go back and verifywhether which of the following ports is enabled?
Port scanner
A server technician is investigating a potential data breach. It is believed that the breach occurredvia telnet access. Which of the following could validate this hypothesis?
The application is using a port that is closed on the server.
Users report that an application is unable to connect to a server on the same network segment.Which of the following is the MOST likely reason?
Static IP address
A technician is replacing a faulty NIC in a server. According to best practices, which of thefollowing should be used to configure the IP address on the server?
B. Processor speedC. Socket typeD. Processor stepping
A technician needs to add a processor to a server. Which of the following specifications should thetechnician examine? (Select THREE).
Extended uptime
A server's runtime during power outages is too short to shut down properly. A system technician isasked to remediate the problem. Which of the following would be the result of adding additionalbatteries to the UPS?
ping
A system administrator wants to assure that a server is responsive. Which of the followingnetworking tools should the administrator use to verify network connectivity?
uninstall the newly installed applications one at a time.
Two new applications have been added to a working server. The server response is now veryslow. An appropriate plan of action is to:
Hypervisor
Which of the following is the core software application that manages computer virtualization?
Processors that support virtualization
Which of the following is a requirement for a server to allow guests to be installed on a hypervisorhost?
hard disk.
Swap space or page file is reserved on the:
Use PXE boot to retrieve an image.
An administrator needs to deploy 1000 servers in a short period of time. Which of the followingdeployment methods will expedite the OS installations?
High bandwidth, Higher RPM drives,Load balancing
Which of the following are required characteristics of database servers in high transactionenvironments? (Select THREE).
Increase the size of the DHCP scope for the network segment in question.
A network administrator is installing additional devices on the network. Currently, the networksegment is utilizing all allocated IP addresses. If there are additional addresses available, which ofthe following would be BEST for the network administrator to perform to accommodate the newnetwork devices?
Bridging
Which of the following allows virtual machines to share the NIC of the host?
RDP
An administrator is asked to change a configuration using a GUI on a Windows server, but doesnot have access to a KVM. Which of the following is BEST to make the change?
Rogue processes
Several of the finance department computers are experiencing timeouts while in their financialprogram. The program will not open or close; however, the previous day the program was runningwithout issues. Which of the following is MOST likely the cause of this problem?
ipconfig/release, ipconfig/renew
A system administrator is troubleshooting a network connectivity issue and runs ipconfig/all on thehost. The command returns the following:IPv4 Address: 169.254.0.12Subnet mask: 255.255.0.0The client is configured for DHCP. Which of the following commands should be run on the client toresolve this issue? (Select TWO).
RAID 10
A technician is assigned a task to configure a new server with six hard drives. The senioradministrator requested the technician utilize the drives for maximum fault tolerance. Which of thefollowing RAID configurations should the technician use?
RAID 6 has the ability to recover from two disks simultaneously failing.
Two RAID arrays are created from eight disks. One is created using RAID 6, the other is createdusing RAID 5 with a hot spare. Which of the following is the operational difference between theseconfigurations?
115v 30 amp
A datacenter technician encounters a power receptacle labeled NEMA L5-30. Which of thefollowing powers is this socket rated for?
Some of the cooling fans are defective.
A technician is experiencing overheating on a rack mounted server. After powering off andremoving the cover of the server, a large amount of dust is noticed on one of the fans. Aftercleaning out the dust and powering the server back on, the server is still overheating. Which of thefollowing would BEST explain this issue?
count the beeps and reference the service manual.
A technician notices a rack mounted server is beeping without booting up. The NEXT step todiagnose this issue would be to:
Straight through Ethernet cable and RJ-45 connectors
A server technician has been tasked with purchasing cables and connectors for a new server room. The server room consists of one switch, two servers, and one IP telephone. Which of thefollowing types of cables and connectors should the technician purchase?