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Exam 12: Network Configuration

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Question 21

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What two daemons can be used to start and manage connections for smaller network daemons such as telnet and rlogin?​

A) ​autod
B) ​inetd
C) ​xinetd
D) ​netd

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Question 22

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The ARCfour encryption algorithm uses variable-length keys up to 2048 bits in length.​

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Question 23

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Class D addresses are used for multicasting.

​Match each term with the correct statement below. a.​broadcast b.​classless interdomain routing (CIDR) notation c.​host name d.​Internet Protocol (IP) address e.​IP version 4 (IPv4) f.link local​ g.​multicast h.​octet i.​protocol j.route table -​A table of information used to indicate which networks are connected to network interfaces.

Describe the telnet and SSH utilities. What is the difference between them?

​Match each term with the correct statement below. a.​broadcast b.​classless interdomain routing (CIDR) notation c.​host name d.​Internet Protocol (IP) address e.​IP version 4 (IPv4) f.link local​ g.​multicast h.​octet i.​protocol j.route table -​The portion of an IPv6 address that refers to a unique computer. It is analogous to the host portion of an IPv4 address.

Passwords used by the PPP daemon are stored in two files: /etc/ppp/pap-secrets and /etc/ppp/chap-secrets.

A network _______________ breaks information down into packets that can be recognized by workstations, routers, and other devices on a network.

What command can be used to troubleshoot routing by displaying all routers between the current computer and a remote computer?

What command can be used to assign a TCP/IP configuration to a NIC as well as view the current configuration of all network interfaces?

What two IP addresses below cannot be assigned to a host computer because they refer to all networks and all computers on all networks, respectively?​

​Match each term with the correct statement below. a.​broadcast b.​classless interdomain routing (CIDR) notation c.​host name d.​Internet Protocol (IP) address e.​IP version 4 (IPv4) f.link local​ g.​multicast h.​octet i.​protocol j.route table -​The TCP/IP communication destined for a certain group of computers.

Select below the configuration file that is used to configure the BIND / DNS server:​

What well-known TCP port is utilized by the SMTP service?​

A route table is a list of TCP/IP networks that is stored in system memory.

What is the subnet mask for a Class B IP address?

What is the most commonly used LAN protocol?

Each octet in an IP address represents a binary number consisting of how many bits / bytes?

​Match each term with the correct statement below. a.​broadcast b.​classless interdomain routing (CIDR) notation c.​host name d.​Internet Protocol (IP) address e.​IP version 4 (IPv4) f.link local​ g.​multicast h.​octet i.​protocol j.route table -​A user-friendly name assigned to a computer.

How do you configure a NIC? What do you do if the NIC is not detected during installation?