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CompTIA SK0-004 Exam Practice Questions (P. 5)

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Question #41
A network administrator is tasked to block all outbound SSH connections on the default port from a network subnet of 10.152.8.0/21 on a Linux based firewall.
Which of the following rule sets would accomplish this task?
  1. A
    iptables -i OUTPUT -d 10.152.8.0/21 -p TCP --dport 22 -j REJECT
  2. B
    iptables -i OUTPUT -d 10.152.8.0/21 -p TCP --dport 23 -j REJECT
  3. C
    iptables -i OUTPUT -d 10.152.8.0/21 -p TCP --dport 22 -j ACCEPT
  4. D
    iptables -i OUTPUT -d 10.152.8.0/21 -p TCP --dport 23 -j ACCEPT

Correct Answer:
A

Question #42
A company has recently had sensitive data stolen by a contractor who plugged a flash drive into a server. Which of the following is the BEST method to prevent future occurrences?
  1. A
    Disable any unused physical ports until needed
  2. B
    Implement a BIOS password on all the servers
  3. C
    Install chassis locks on all the servers
  4. D
    Restrict usage of flash drives in company policy

Correct Answer:
A

Question #43
Network devices between two firewalls are included in which of the following?
  1. A
    VPN
  2. B
    SAN
  3. C
    VLAN
  4. D
    DMZ

Correct Answer:
D

Question #44
A system administrator is tasked with dividing the network so that each department is separate from the other. Which of the following should be used to accomplish this task?
  1. A
    VLAN
  2. B
    VPN
  3. C
    VNC
  4. D
    VM

Correct Answer:
A

Question #45
Which of the following is an example of the principle of least privilege and is the MOST secure when granting access to a shared network drive used by the
Accounting department?
  1. A
    Grant appropriate permissions to only users in the Accounting department for both the share and NTFS
  2. B
    Grant all users full control permissions for the share only
  3. C
    Grant the Accounting department full control for the share and appropriate NTFS permissions
  4. D
    Grant modify permissions to the Accounting department and deny NTFS permissions to all other users

Correct Answer:
A

Question #46
Which of the following methods should a technician perform to properly clear a hard drive before disposal?
  1. A
    Delete the FAT
  2. B
    Zero all block sectors
  3. C
    Delete the partition
  4. D
    Zero the NTFS journal

Correct Answer:
B

Question #47
A server unexpectedly shut down as a result of overheating. An alert was sent to the administrator's email address but the administrator was away from the workstation when the alert arrived. Which of the following would have been a more effective method for sending the alert notification?
  1. A
    Broadcast messages
  2. B
    SMS messages
  3. C
    Telephone calls
  4. D
    Console notifications

Correct Answer:
B

Question #48
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 following represents the FIRST action that should be taken by the server technician?
  1. A
    Perform a test on the UPS batteries
  2. B
    Immediately replace the UPS batteries
  3. C
    Move the servers connected to the UPS to another existing UPS
  4. D
    Immediately replace the UPS with a new UPS

Correct Answer:
A

Question #49
A server technician is performing a server installation. This server must be able to resolve host names for users running a variety of client operating systems. At a minimum, which of the following services should be enabled on the new server? (Select TWO).
  1. A
    NAT
  2. B
    DNS
  3. C
    LDAP
  4. D
    WINS
  5. E
    SNMP
  6. F
    DHCP

Correct Answer:
BD

Question #50
A technician has finished installing the operating system on a new server and needs to provide IP addressing information. The server will be connected to the
DMZ network. Devices on the network use a default gateway address of 192.168.55.1. Which of the following is a valid IP address for a server in the DMZ network?
  1. A
    IP: 192.168.55.1, NETMASK 255.255.255.0
  2. B
    IP: 192.168.55.5, NETMASK 255.255.255.128
  3. C
    IP: 192.168.55.155, NETMASK 255.255.255.128
  4. D
    IP: 192.168.55.255, NETMASK 255.255.255.0

Correct Answer:
B

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