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CIT352 BYU-I 2021 > Chapter 13 > Flashcards

Chapter 13 Flashcards

1
Q

When working with Sendmail, what command can be used to test SMTP support?

  1. EHLO
  2. telnet
  3. HELO
  4. smtp
A

HELO

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2
Q

What port is used by the Network Time Protocol (NTP) for communication?

  1. TCP 20
  2. TCP 25
  3. UDP 69
  4. UDP 123
A

UDP 123

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3
Q

What kind of servers resolve fully qualified domain names to IP addresses for a certain namespace on the Internet?

  1. DHCP
  2. NTP
  3. DNS
  4. NIS
A

DNS

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4
Q

What FTP command runs a shell on the local computer?

  1. ~
  2. #
  3. !
  4. *
A

!

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5
Q

In NTP, what stratum consists of atomic devices or GPS clocks?

  1. 0
  2. 1
  3. 2
  4. 5
A

0

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6
Q

Where is the default document root directory for the Apache web server?

  1. /usr/local/html
  2. /var/www/html​
  3. /usr/share/local/html
  4. /var/html
A

/var/www/html​

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7
Q

Which one is NOT a common cloud architecture?

  1. IaaS
  2. PaaS
  3. SaaS
  4. TaaS
A

TaaS

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8
Q

What ftp command uploads the filename from the current directory on the local computer to the current directory on the remote computer, and allows the use of wildcard metacharacters to specify the filename.

  1. upload
  2. mput
  3. mget
  4. get
A

mput

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9
Q

What directive below in Apache’s httpd.conf file specifies that the index.html file in the document root directory will be sent to clients who request an HTML document?

  1. DirectoryIndex index.html
  2. DocumentRoot index.html
  3. Index index.html
  4. UseIndex index.html
A

DirectoryIndex index.html

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10
Q

Which command below can be used at a BASH command prompt to obtain a web page?

  1. apachect1
  2. ab
  3. curl
  4. webpage
A

curl

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11
Q

Chronyd is an NTP daemon that offers a faster response time compared to the ntpd daemon.

True
False

A

True

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12
Q

Which command within the command-line FTP utility can be used to change the current directory on the local computer?

  1. cd
  2. dir
  3. lcd
  4. get
A

lcd

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13
Q

DHCP clients send a DHCPREQUEST packet when they need to renew IP configuration.

True
False

A

True

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14
Q

Which command can you use to synchronize ntpd with an NTP time source?

  1. ntp
  2. ntpquery
  3. ntpdate
  4. hwclock
A

ntpdate

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15
Q

Which DNS resource record is an alias to other records?

  1. A
  2. AAAA
  3. CNAME
  4. NS
A

CNAME

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16
Q

You can purchase object storage from a cloud provider to provide persistent filesystem-based storage.

True
False

17
Q

Which file stores the Apache configuration in Fedora 28?

  1. /etc/apache2/httpd.conf
  2. /etc/apache2.conf
  3. /etc/httpd.conf
  4. /etc/httpd/conf/httpd.conf
A

/etc/httpd/conf/httpd.conf

18
Q

PaaS cloud providers host sandboxed Web apps using containers for scalability.

True
False

19
Q

Stratum 1 NTP servers do not obtain time information from other NTP servers.

True
False

20
Q

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

  1. smbclient -L fileserver:data
  2. smbclient -L //fileserver/data
  3. smbclient //fileserver/data
  4. smbclient \fileserver\data
A

smbclient //fileserver/data

21
Q

What directory are you placed in when you log in as the anonymous user to an Ubuntu Server 18 FTP server?

  1. /srv/ftp
  2. /var/www/ftp
  3. /home/anonymous
  4. /var/ftp/pub
22
Q

Which command can be used to list containers that are currently running on the operating system only?

  1. docker ps
  2. docker ps -a
  3. docker run
  4. docker exec
23
Q

What must you do to transform your computer into a DNS server? (Choose all that apply.)

  1. Create zone files.
  2. Create resource records for DNS lookups.
  3. Create NIS maps.
  4. Run the name daemon (named).
A

Create zone files.
Create resource records for DNS lookups.
Run the name daemon (named).

24
Q

Which of the following can be used to create a database within PostgreSQL? (Choose all that apply.)

  1. the CREATE DATABASE statement within the PostgreSQL utility.
  2. the ADD DATABASE statement within the PostgreSQL utility.
  3. the adddb command.
  4. the createdb command.
A

the CREATE DATABASE statement within the PostgreSQL utility.

the createdb command.

25
Q

The lines within the Apache configuration file that modify the functionality of the Apache are called directives.

True
False

26
Q

Which of the following must you perform to share a directory using NFS? (Choose all that apply.)

  1. Edit the /etc/exports file.
  2. Mount the directory to the /etc/exports directory using the mount command.
  3. Run the exportfs -a command.
  4. Start or restart the NFS daemons.
A

Edit the /etc/exports file.

Run the exportfs -a command.

Start or restart the NFS daemons.

27
Q

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?

  1. Log in as the root user and reedit the configuration file.
  2. Run the dhcpconf command to edit the configuration file.
  3. Restart the DHCP daemon.
  4. Restart the xinetd daemon.
A

Restart the DHCP daemon.

28
Q

Which term is used to describe the process of pushing new versions of a Web app to a cloud provider for testing?

  1. IaC
  2. Build automation
  3. CD
  4. Infrastructure automation
29
Q

You have modified the /etc/aliases file to include a new email alias. However, when you send email to the alias, it cannot be delivered. What should you do?

  1. Add the line to the /etc/aliases.db file instead.
  2. Run the newaliases command.
  3. Restart the Postfix daemon.
  4. Log out of the system
A

Run the newaliases command.

30
Q

Which command can be used to connect to check the /etc/samba/smb.conf file for syntax errors?

  1. apachectl
  2. sambactl
  3. testparm
  4. psql
31
Q
A

yum search oobla

32
Q

Docker uses _________ technology.

IOT

Redundancy

Virtualization

Container

33
Q

The Apache daemon listens for HTTP requests on what port by default?

TCP 20

TCP 25

TCP 80

CTP 110

CIT352 BYU-I 2021 (16 decks)

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