Latest 202-450 Tutorials 2021

NEW QUESTION 1
Which of the following commands displays an overview of the Postfix queue content to help identify remote sites that are causing excessive mail traffic?

• A. mailtraf
• B. queuequery
• C. qshape
• D. postmap
• E. poststats

Answer: C

NEW QUESTION 2
CORRECT TEXT
Which directive in a Nginx server configuration block defines the TCP ports on which the virtual host will be available, and which protocols it will use? (Specify ONLY the option name without any values.)

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
listen

NEW QUESTION 3
Which Apache HTTPD configuration directive specifies the RSA private key that was used in the generation of the SSL certificate for the server?

• A. SSLCertificateKeyFile
• B. SSLKeyFile
• C. SSLPrivateKeyFile
• D. SSLRSAKeyFile

Answer: A

NEW QUESTION 4
Which tool creates a Certificate Signing Request (CSR) for serving HTTPS with Apache HTTPD?

• A. apachect1
• B. certgen
• C. cartool
• D. httpsgen
• E. openssl

Answer: E

NEW QUESTION 5
Which option within the ISC DHCPD configuration file defines the IPv4 DNS server address(es) to be sent to the DHCP clients?

• A. domain-name-servers
• B. domain-server
• C. name-server
• D. servers

Answer: A

NEW QUESTION 6
Which keyword is used in the Squid configuration to define networks and times used to limit access to the service?

• A. acl
• B. allow
• C. http_allow
• D. permit

Answer: A

NEW QUESTION 7
To which destination will a route appear in the Linux routing table after activating IPv6 on a router’s network interface, even when no global IPv6 addresses have been assigned to the interface?

• A. fe80::/10
• B. 0::/128
• C. 0::/0
• D. fe80::/64
• E. 2000::/3

Answer: A

NEW QUESTION 8
A user requests a “hidden” Samba share, named confidential, similar to the Windows Administration Share. How can this be configured?

• A. Option A
• B. Option B
• C. Option C
• D. Option D
• E. Option E

Answer: E

NEW QUESTION 9
Which of the following lines in the sshd configuration file should, if present, be changed in order to increase the security of the server? (Choose two.)

• A. Protocol 2, 1
• B. PermitEmptyPasswords no
• C. Port 22
• D. PermitRootLogin yes
• E. IgnoreRhosts yes

Answer: AD

NEW QUESTION 10
In order to join a file server to the Active Directory domain intra.example.com, the following smb.conf has been created:

The command net ads join raises an error and the server is not joined to the domain. What should be done to successfully join the domain?

• A. Change server role to ad member server to join an Active Directory domain instead of an NT4 domain.
• B. Add realm = intra.example.com to the smb.conf and change workgroup to the domain’s netbios workgroup name.
• C. Manually create a machine account in the Active Directory domain and specify the machine account’s name with –U when starting net ads join.
• D. Remove the winbind enum users and winbind enum groups since winbind is incompatible with Active Directory domains.
• E. Remove all idmap configuration stanzas since the id mapping is defined globally in an Active Directory domain and cannot be changed on a member server.

Answer: E

NEW QUESTION 11
A BIND server should be upgraded to use TSIG. Which configuration parameters should be added if the server should use the algorithm hmac-md5 and the key skrKc4DoTzi/takIlPi7JZA==?

• A. Option A
• B. Option B
• C. Option C
• D. Option D
• E. Option E

Answer: C

NEW QUESTION 12
Which of these tools, without any options, provides the most information when performing DNS queries?

• A. dig
• B. nslookup
• C. host
• D. named-checkconf
• E. named-checkzone

Answer: A

NEW QUESTION 13
What is the name of the network security scanner project which, at the core, is a server with a set of network vulnerability tests?

• A. NetMap
• B. OpenVAS
• C. Smartscan
• D. Wireshark

Answer: B

NEW QUESTION 14
Which of the following commands is used to change user passwords in an OpenLDAP directory?

• A. setent
• B. ldpasswd
• C. olppasswd
• D. ldappasswd
• E. ldapchpw

Answer: D

NEW QUESTION 15
A host, called lpi, with the MAC address 08:00:2b:4c:59:23 should always be given the IP address of 192.168.1.2 by a DHCP server running ISC DHCPD.
Which of the following configurations will achieve this?

• A. Option A
• B. Option B
• C. Option C
• D. Option D
• E. Option E

Answer: D

NEW QUESTION 16
The following Apache HTTPD configuration has been set up to create a virtual host available at www.example.com and www2.example.com:

Even though Apache HTTPD correctly processed the configuration file, requests to both names are not handled correctly. What should be changed in order to ensure correct operations?

• A. The configuration must be split into two VirtualHost sections since each virtual host may only haveone name.
• B. The port mentioned in opening VirtualHost tag has to be appended to the ServerName declaration’s values.
• C. Both virtual host names have to be placed as comma separated values in one ServerName declaration.
• D. Both virtual host names have to be mentioned in the opening VirtualHost tag.
• E. Only one Server name declaration may exist, but additional names can be declared in ServerAlias options.

Answer: C

NEW QUESTION 17
CORRECT TEXT
In order to specify alterations to an LDAP entry, what keyword is missing from the following LDIF file excerpt?

Specify the keyword only and no other information.

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
add

NEW QUESTION 18
When using mod_authz_core, which of the following strings can be used as an argument to Require in an Apache HTTPD configuration file to specify the authentication provider? (Choose three.)

• A. method
• B. all
• C. regex
• D. header
• E. expr

Answer: ABE

NEW QUESTION 19
What word is missing from the following excerpt of a named.conf file?

• A. networks
• B. net
• C. list
• D. acl
• E. group

Answer: D

NEW QUESTION 20
To allow X connections to be forwarded from or through an SSH server, what configuration keyword must be set to yes in the sshd configuration file?

• A. AllowForwarding
• B. ForwardingAllow
• C. XllForwardingAllow
• D. XllForwarding

Answer: D

NEW QUESTION 21
Using its standard configuration, how does fail2ban block offending SSH clients?

• A. By rejecting connections due to its role as a proxy in front of SSHD.
• B. By modifying and adjusting the SSHD configuration.
• C. By creating and maintaining netfilter rules.
• D. By creating null routes that drop any answer packets sent to the client.
• E. By modifying and adjusting the TCP Wrapper configuration for SSH

Answer: B

NEW QUESTION 22
Which Postfix command can be used to rebuild all of the alias database files with a single invocation and without the need for any command line arguments?

• A. makealiases
• B. newaliases
• C. postalias
• D. postmapbuild

Answer: B

NEW QUESTION 23
Which of the following lines is valid in a configuration file in /etc/pam.d/?

• A. authrequired pam_unix.sotry_first_pass nullok
• B. authtry_first_pass nullok, require pam_unix.so
• C. authrequired:pam_unix.so(try_first_pass nullok)
• D. authpam_unix.so(required try_first_pass nullok)

Answer: A

NEW QUESTION 24
CORRECT TEXT
What command creates a SSH key pair? (Specify ONLY the command without any path or parameters)

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
ssh-keygen

NEW QUESTION 25
Which of the following authentication mechanisms are supported by Dovecot? (Choose three.)

• A. ldap
• B. digest-md5
• C. cram-md5
• D. plain
• E. krb5

Answer: BCD

NEW QUESTION 26
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