Server Admin Final- CJP

Block storage is a cheaper alternative to object storage on public cloud providers. True or false?

False

Which of the following statements is true? If /etc/cron.allow exists, only users listed in it can use the cron command. If /etc/cron.allow exists, only users listed in it can use the at command. If /etc/cron.deny exists and /etc/cron.allow does not exist, any user not listed in /etc/cron.deny can use the cron command. if /etc/con.alow and /etc/cron.deny exist, only users listed in the former can use the cron command, and any users listed in the latter are denied access to the cron command if a user is listed in both /etc/cron.allow and /etc/cron.deny, then /etc/cron.deny takes precedence and the user cannot access the crontab command

If /etc/cron.allow exists, only users listed in it can use the cron command. If /etc/cron.allow exists, only users listed in it can use the at command. if /etc/cron.deny exists and /etc/cron.allow does not exist, any user not listed in /etc/cron.deny can use the cron command

which of the following FSMO roles are stored on one domain controller within each domain?

PDC Emulator RID master

Which of the following cloud delivery models uses containers exclusively to run Web apps? Saas PaaS IaaS XaaS

PaaS

which of the following are authoritative DNS server types? Primary Active Directory- integrated primary Secondary Caching-only

Primary Active Directory- integrated primary Secondary

L 5:4 Which of the following statements are true? Quotas can only limit user space Quotas can only limit the number of files a user can own Quotas can limit both user space and the number of files a user can own Hard limits can never be exceeded hard limits allow a user to exceed them for a certain period of time soft limits can never be exceeded soft limits allow a user to exceed them for a certain period of time either a hard limit or soft limit can be set, but not both concurrently

Quotas can limit both user space and the number of files a user can own Hard limits can never be exceeded Soft limits allow a user to exceed them for a certain period of time

L 6:2a Which of the following RAID levels is not fault tolerant? RAID 0 RAID 1 RAID 4 RAID 5

RAID 0

RAID:0-6

RAID 0 - disk striping, two or more HDs RAID 1 - disk mirroring, fault tolerance, 2 HDs RAID 2 - no longer used RAID 3 - disk striping a parity bit, min of 3 HDs RAID 4 - variant of RAID 3 RAID 5 - Disk striping with parity, min of 3 HDs RAID 6 - basically RAID 5, second set of parity

Which of the following commands can be used to restart the Print Spooler server within Windows PowerShell? net-restart printspooler restart-service spooler -force restart-printspooler set-printer printername -restart

Restart-Service spooler -force

L 5:2 Jim has just installed two new SAS SSDs in his system. He properly installs the hardware in his machine. Before he can use them for data storage and retrieval, what must he do? (Choose all that apply.)

- create one or more partitions on each of the SSDs - mount any partitions created on the two SSDs such that they are accessible by the OS - format any partitions created on the SSDs with a valid filesystem recognized by Linux

which of the following occurs when you join a computer to an Active Directory domain? the Domain Users group is added to the local users group a computer account is created within Active Directory, if one has not been prestaged the Domain Admins group is added to the local Administrators group the SAM database is replaced by the Active Directory database

- the Domain Users group is added to the local users group - a computer account is created within Active Directory, if one has not been prestaged - the Domain Admins group is added to the local Administrators group

L4: 2a After typing the command umask 731, the permissions on all subsequently created files and directories will be affected. In this case, what will be the permissions on all new files? rw-rw-rw- rwxrw-r-- ---r--rw- ----wx--x

---r--rw-

L4:2b The command chmod 317 file1 would produce which of the following lines in the ls command? --w-r--rwx 1 user1 root - Apr 29 15:40 --wx-xrwx 1 user1 root - Apr 29 15:40 -rwxrw-r-x 1 user1 root - Apr 29 15:40 --w-rw-r-e 1 user1 root - Apr 29 15:40

--wx--xrwx 1 user1 root - Apr 29 15:40

basic firewall commands

-zones--get-services--add-service=service--add-port=port

which two partitions do you typically create at a minimum during a Fedora Linux installation / /boot swap /home

/ and swap

which file stores the IP addresses of the DNS servers used to resolve host names if not DNS servers are specified within the network configuration file for the network interface?

/etc/resolv.conf

which file contains information regarding the users, computers, and commands used by the sudo command?

/etc/sudoers

L 6:1 You want to view log files to get info about a problem that occurred during a Linux installation. In which directory will you likely find the log files?

/var/log

what is the loopback address

127.0.0.1

Which of the following kernels are developmental kernels? 2.3.4 3.5.5 4.1-rc5 4.4.4

2.3.4 4.1-rc5

Which DNS resource record is an alias to other records?

CNAME

A user complains that they are unable to contact a specific server in your organization. You remember that you recently modified the A record for this server on your organization's Active Directory-integrated DNS server. Which troubleshooting step should you try first to remedy the issue? Clear the DNs cache on the DNS server Clear the DNS cache on the user's computer Run the nslookup command on the user's computer Restart the DNS server service

Clear the DNS cache on the user's computer

Which default folder under a domain within Active Directory Users and Computers contains the Administrator user account and Domain Admins group? builtin default users foreignsecurityprinciples

Users

Which of the following is not a question that should be asked when planning a Windows Server 2019 installation? What are the storage needs of the server? Who will be supporting the server? How many users are expected to connect to this server? What servers will the server run?

Who will be supporting the server

basic operations of firewall (windows)

a series of rules applied to computer when it is connected to a network (public, private, domain) configure inbound and outbound traffic

Which of the following actions can be performed to solve a performance problem? Stop and disable unnecessary services move applications to other systems add additional hardware upgrade hardware devices with bus mastering versions

all of the above Stop and disable unnecessary services move applications to other systems add additional hardware upgrade hardware devices with bus mastering versions

Which of the following are reasons for creating multiple volumes on a single storage device? allow for the use of more than one type of file system reduce the chance that filesystem corruption will render all data on the storage device unusable segregate different types of data speed up access to stored data by keeping filesystems as small as possible

all of the above: - allow for the use of more than one type of file system - reduce the chance that filesystem corruption will render all data on the storage device unusable - segregate different types of data - speed up access to stored data by keeping filesystems as small as possible

Which of the following tasks are typically performed following a Windows Server 2019 Installation? Verify the correct time and time zone information Activate the Windows Server 2019 Configure the appropriate computer name and domain membership Set IP configuration on network interfaces

all of them Verify the correct time and time zone information Activate the Windows Server 2019 Configure the appropriate computer name and domain membership Set IP configuration on network interfaces

what is the term used to describe a user providing a user name and password to log into a system? OR basic security measure that should be configured on all systems

authentication

L 3:2b A user typed in the command pwd and saw the output: /home/jim/sales/pending. How could that user navigate to the /home/jim directory?

cd ..

L 3:2a If a user's current directory is /home/mary/project1, which command could she use to move to the etc directory directly under the root? cd .. cd /home/mary/etc cd etc cd/etc cd \etc

cd /etc

L 4:2c a file has the following permissions: r---x-x-. The command chmod 143 would have the same effect as the command ____.

chmod u=x, g=r, o=wx file 1

Which command can you use during a system rescue to switch from the root of the live OS to the root of the Linux system installed on the hard disk?

chroot

L 5:3 which command is used to display the amount of free space that exists on a filesystem?

df

which of the following actions should you first take to secure your Linux computer against network attacks?

ensure that only necessary services are running

DHCP servers respond to DHCPDISCOVER packets received from DHCP clients or DHCP relay agents with a DHCPACK packet. True or False?

false

L 5:1 After a partition on a hard disk is formatted with a filesystem, all partitions on that hard disk drive must use the same filesystem. True or False?

false

There are no GPOs created in an Active Directory domain by default. True or False?

false

Users enter commands directly to the kernel of the Linux operating system. True or False?

false

domain controllers store local user accounts within a SAM database and domain user accounts within Active Directory. True or false

false

which of the following firewalld commands can be used to allow incoming SSH connections the next time the system is booted?

firewall-cmd --add-service-ssh --permanent

a process spawning or initiating another process is referred to as ____

forking

Which of the following statements regarding backup performance options for Windows server Backup are true? full backups provide the fastest restoration of data incremental backups take less time to perform than full backups up to 6 incremental backups can be performed following a full backup full backup

full backups provide the fastest restoration of data incremental backups take less time to perform than full backups

which of the following basic NTFS/ReFs permissions allows you to delete a file? full control modify write read and execute

full control modify

Which of the following utilities can be used to check IP configuration and test network connectivity? GENERAL

ifconfig iwconfig ping nmcli maybe? (nslookup, netstat?)

Which of the following is an absolute pathname? Home/resume C:\myfolder\resume resume /home/resume C:home/resume Linux and windows

linux= /home/resume windows= C:\myfolder\resume

what are the best practices for securing a Linux server?

lock the server in a server closet ensure that SELinux or AppArmor is used to protect key services use encryption for files and network traffic

On which part of the maintenance cycle do server administrators spend the most time? monitoring proactive maintenance reactive maintenance documentation

monitoring

which commands can be used to display TCP/IP connections on your Linux system?

mtr

L 4:3b which command do you use to rename files and directories?

mv

which of the following features must you install on a windows print client in order to print to a shared printer using SMB? internet printing client LPR port monitor SMB printer client none of the above

none of the above

To test DNS configuration by resolving a host name to an IP address, which command or commands can you use?

nslookup hostname dig hostname host hostname

Which type of software does Linux represent? open source closed source freeware shareware

open source software

the process of sending print jobs to print queue is called

printing

every process has a ____ and ____

process ID and parent process

which of the following NFS shared folder permissions allows computers to access an NFS shared folder and modify content? full control change read-write modify

read-write

Mary is a system administrator in your organization. She has recently made changes to the DHCP configuration file, but the DHCP daemon does not seem to recognize the new changes. What should she do?

restart the DHCP daemon

what should be your first course of action when you see a device marked unknown within device manager? install the manufacturer-provided driver package on the system and reboot right click the unknown device within device manager and choose update driver, supply the manufacturer-provided driver files if prompted right click the unknown device within device manager and choose uninstall device, reboot your system afterwards right click the unknown device within device manager and choose properties (note where there is a resource conflict)

right click the unknown device within device manager and choose update driver, supply the manufacturer-provided driver files if prompted

Which prompt does the root user receive when logged in to the system?? Which prompt do regular users receive when logged into the system?

root: # regular: $

L 4:3a the which command ______.

searches for a file only in directories that are in the PATH variable

L 6:2b Which of the following is not a type of RAID? hardware software firmware serial

serial RAID

Which command can be used to connect to a remote WIndows share called data on the server called fileserver?

smbclient //fileserver/data

basic process a file goes through to be printed

spooling, print queue, printing

which command is used to gain real time information about processes running on the system, with the most processor-intensive processes appearing at the beginning of the list? OR command to view system resource utilization

top = processes running on the system jobs = processes running in the background

Both NFS and SMB shared folders can be published to Active Directory. True or False?

true

L 3:3 Linux has only one root directory per directory tree. True or false?

true

Many organizations store system documentation in help desk ticketing software. True or False?

true

Windows 10 PCs can be configured to print directly to print to a network printer or a shared printer on a print server. True or false?

true

Windows PCs can be configured to print directly to a network -attached print device, or to a shared printer on print server that prints directly to a network-attached print device. True or false

true

server manager can be used to monitor and manage other Windows Server 2008 and later systems. true or false

true

server manager is typically used to perform most post-installation tasks on a graphical Windows Server 2019 system. True or false

true

system environment variables apply to any user logged onto the system. true or false

true

when initializing a new storage device that has a capacity larger than 2 TB, you must use a GPT instead of an MBR. true or false

true

what are two means available to resolve a host name to the appropriate IP address?

DNS /etc/hosts

Process for DHCP

DORA: Discover Offer Request Acknowledge

L4:1 After typing the ls -F command, you see the following line in the output: -rw-r-xr-- 1 user1 root 0 Apr 29 15:40 file1 What does this mean?

user1 has read and write, members of the root group have read and execute, and all others have read permissions to the file

which command can you use to lock a user account? OR which command prevents a user from logging in?

usermod -L username

Group Policy settings apply to which of the following objects? Users Computers Groups OUs

users computers

The core component of the Linux OS is the Linux kernel. If you were a Linux systems administrator for a company, when would you need to upgrade your Linux kernel? when you need support in Linux for new hardware when you need another user interface when you need to increase the stability of Linux when you need to use kernel modules

when you need support in Linux for new hardware when you need to increase the stability of Linux

Which of the following management tools is not installed by default on Windows Server 2019? server manager MMC windows powershell windows admin center

windows admin center