IT midterm

When creating network diagrams, what icon description typically represents a network router?

An icon that has a hockey-puck shape with two arrows pointing inward and two arrows pointing outward.

What is by far the most popular DNS server software available?

BIND

Your supervisor has asked you to configure a new prototype network with a dual stack configuration. What does this mean?

Both IPv4 and IPv6 protocols will be used on the network.

A "thin client" approach places most of the application logic on the client.

False

DNS follows a centralized database model, allowing for easier management of DNS

False

F5 Networks set the standard for the diagram symbols used to represent routers, switches, firewalls, and other devices

False

For an application program, the services logic is the user interface

False

Static electricity is an electrical charge in motion

False

The FTP protocol utilizes UDP, while TFTP uses TCP for data transmission.

False

The Transport layer header addresses a receiving application by a number called a MAC address

False

The World Wide Web was conceived at University of Utah as part of the development of the Internet.

False

The application architecture called the distributed computing model uses the "thick" client approach

False

The pathping utility sends 10 pings per hop by default.

False

To use the Web, each client computer requires a data link layer software package called a Web browser.

False

UDP provides error checking, but not sequencing.

False

With respect to costs for a client-server network, More network capacity, which costs more money, is required for client-server networks than for client-based networks.

False

With respect to costs for a client-server network, Personal computers used as clients in a client-server network cost about the same as mainframes for the same amount of computing power.

False

With respect to costs for a client-server network, Updating the network with new version of software tends to be less expensive in a client-server network since the software is centralized in one client.

False

What does the MX record do in a forward DNS zone?

It identifies the e-mail server to be used for e-mail traffic for the domain.

What is the ARPA domain suffix utilized for?

It is used for reverse DNS queries, and holds PTR records.

What utility is the equivalent to the pathping command on a Linux system?

MTR

What Application layer protocol can be used to monitor and gather information about network traffic alert network administrators about adverse conditions that need attention?

SNMP

Routing Information Protocol (RIP) is an interior gateway protocol that uses a link-state algorithm.

False

The TIA/EIA standard for wall jacks in a work area require that at least one outlet be provided for data and one for voice

True

Which of the following is NOT a range of IP addresses recommended for use in private networks?

127.0.0.0 through 127.255.255.255

Equipment data racks most commonly are a standard width of what measurement?

19 inches

Which of the following IPv6 addresses represents a global unicast address?

2000::/3

In a DNS zone, what type of record holds the name-to-address mapping for IPv6 addresses?

AAAA record

In a domain, the process of allowing a user to sign on to the network from any computer on the network and get access to resources is managed by what service?

Active Directory Domain Services (AD DS)

What occurs if a network layer protocol is aware that a packet is larger than the maximum sıze for its network?

The packet will be divided into smaller packets using fragmentation.

What happens when a router receives a packet with a TTL of 0?

The router drops the packet and sends an ICMP TTL expired message back to the host.

The cost of upgrading infrastructure has been a major factor in the slow adoption of IPv6

True

The four general functions of any application program. (ADDITIONAL INFORMATION: They are data storage, data access logic, application logic and presentation logic.)

True

The fundamental difference between a switch and a router is that a switch belongs only to its local network and a router belongs to two or more local networks.

True

The industry standard height for a rack is 42U

True

The process of designing, implementing, and maintaining an entire network is called the system life cycle.

True

The term firmware refers to programs embedded into hardware devices. This software only changes when a firmware upgrade is performed.

True

UDP port 123 is utilized by the Network Time Protocol service.

True

A dedicated telephone or virtual switching device that connects and manages calls within a private organization, and manages call connections that exit the network through a VoIP gateway, is known by what term?

VoIP PBX (Private branch exchange)

What type of documentation tool is a website that can be edited by users, allowing them to add files and photos and links between pages?

Wiki

In general, a Layer 3 or Layer 4 switch is still optimized for fast Layer 2 data handling.

true

What text editor can be used on Linux to view and edit the contents of a configuration file?

vim

1Pv4 and IPv6 use the same packet format

False

The IP connectionless protocol relies on what other protocol to guarantee delivery of data?

TCP

You have been tasked with maintaining a network that is jumbo frame enabled. What does this mean?

The MTU for the network can be as high as 9198 bytes.

In the United States, who is able to activate the Emergency Alert System at the national level?

The President

What does backbone cabling consist of?

The cables or wireless links that provide interconnection between the entrance facility and MDF, and between the MDF and IDFs.

What part of a MAC address serves as the extension identifier, or device ID?

The last 24 bits of the MAC address.

In general, an API (application programming interface) call is the method an application uses when it makes a request of the OS

True

At the root level of the DNS hierarchical structure, 13 clusters of root servers hold information used to locate TLD servers.

True

Cloud-hosted virtual desktops are now available through a service called DaaS allowing users to access the same client computer (virtual desktop) from any computer and any location.

True

Each organization that provides host services on the public Internet is responsible for providing and maintaining DNS authoritative servers for public access.

True

Fiber-optic cable comes in two types: single-mode fiber (SMF) or multimode fiber (MMF)

True

When dealing with static electricity, what kind of failure caused by static discharge shortens the life of a component, and can cause intermittent errors?

interrupting failure

What command can you utilize to display TCP/IP configuration information for each network adapter installed?

ipconfig /all

A Windows computer on your network is having issues resolving queries for a specific domain, but not other domains. Other computers on the same network resolve the name just fine. What command can you issue that might fix the problem?

ipconfig /flushdns

What type of IPv6 address is fe80::8cf1:2c42:ffde:da1c?

link local address

With a FQDN of ftp1.dallas.mycompany.com, what part is the domain name?

mycompany.com

Which command will produce statistics about each message transmitted by a host, separated according to protocol type?

netstat-s

What utility is used to verify that TCP/IP installed, bound to the NIC, configured correctly, and communicating with the network?

ping