Exam 1
Which of the following is not a task handled by a router? -A router forwards broadcasts over the network. -A router can reroute traffic if the path of first choice is down but a second path is available -A router can interpret Layer 3 and often Layer 4 addressing. -A router can connect dissimilar networks.
A router forwards broadcasts over the network.
You are setting up a DNS zone and have been asked to create SPF and DKIM records. What type of DNS record will hold this information? SRV record CNAME record TXT record PTR record
TXT record
Which traceroute command will perform a trace using ICMP echo requests instead of UDP datagrams to the host srv1.mycompany.com? traceroute -i srv1.mycompany.com traceroute -w srv1.mycompany.com traceroute -o ICMP srv1.mycompany.com traceroute -I srv1.mycompany.com
traceroute -I srv1.mycompany.com
What command can be used to check a domain computer's time source from a Command Prompt window? date /source w32tm /query /source ntpd show source time --source
w32tm /query /source
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 spreadsheet workgroup co-op
wiki
A Fast Ethernet connection utilizes what pins on an RJ-45 plug? 1, 2, 4, 5 1, 2, 3, 5 1, 2, 3, 6 1, 2, 7, 8
1, 2, 3, 6
What is the minimal amount of voltage required to damage an electrical component? 5 volts 10 volts 100 volts 1500 volts
10 volts
When planning horizontal cabling, what is the maximum allowable distance that can be used? 100 feet 300 meters 1,000 feet 100 meters
100 meters
By default, what is the MTU size on a typical Ethernet network? 1492 bytes 1500 bytes 1518 bytes 1522 bytes
1500 bytes
Both 10GBase-ER and 10GBase-EW have what maximum distance limitation on a segment of single mode fiber? 550m 300m 10km 40km
40km
What statement correctly identifies the purpose of a software patch? -A software patch is a correction, improvement, or enhancement to software. -A software patch is a major change to a software package that enhances the functionality and features of the software, while also correcting bugs and vulnerabilities. -A software patch involves the process of reverting to a previous version of software after attempting to upgrade it. -A software patch is a container for a new software, and must be installed on relevant devices and incorporated with network resources.
A software patch is a correction, improvement, or enhancement to software.
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 Federated Users (AD FU) Actice Directory Domain Services (AD DS) Automated Directory Network Services (AD NS) Windows Named Resource Services (WN RS)
Actice Directory Domain Services (AD DS)
What is the name of the GUI front end that is available for the Nmap utility? GUINmap Zenmap iMap VizMap
Zenmap
In order to ensure that a cable is not affected by electromagnetic interference, how far away should the cable be from fluorescent lighting? at least 3 inches at least 3 feet at least 6 feet at least 12 feet
at least 3 feet
An open electrical circuit as a result of a failed circuit is considered to be what type of failure system? fail-open fail-close fail-tolerant fail-dynamic
fail-close
In IPv6, what field is used to indicate what sequence of packets from one source to one or multiple destinations a packet belongs to? traffic class group ID flow label traffic exchange
flow label
The Data Link Layer utilizes what name for its protocol data unit (PDU)? packet data bit frame
frame
On a Linux-based system, what command can be used to display TCP/IP information associated with every interface on the system? ipconfig /all ifconfig -a ip show if status
ifconfig -a
Where is a demarc located in relation to the structured cabling of an enterprise environment? in the Main Distribution Frame (MDF) at the Intermediate Distribution Frame (IDF) in the work area between the MDF and the IDF
in the Main Distribution Frame (MDF)
What command can you utilize to display TCP/IP configuration information for each network adapter installed? ipconfig /show ipconfig /list ipconfig /all ipconfig /full
ipconfig /all
Originally codified by ISO, what does the "intermediate system" in IS-IS (Intermediate System to Intermediate System) stand for? The autonomous systems used by an organization. An entire network consisting of various network devices. The administrative bounaries of an organization. An IS-IS capable network router.
An IS-IS capable network router.
When creating network diagrams, what icon description typically represents a network switch? -An icon that has a hockey-puck shape with two arrows pointing inward and two arrows pointing outward. -An icon that resembles a brick wall. -An icon that is rectangular in shape, with squiggly lines on the front. -An icon that is rectangular, which contains four arrows pointing in opposite directions.
An icon that is rectangular, which contains four arrows pointing in opposite directions.
What is by far the most popular DNS server software available? Microsoft DNS Dnsmasq Oracle Resolver BIND
BIND
What is the minimum category of UTP cable required in order to support Gigabit speeds? Cat 3 Cat 5 Cat 5e Cat 6
Cat 5e
Which routing protocol started as a Cisco proprietary protocol and combines some of the features of a link-state protocol with that of distance-vector protocols? IS-IS BGP OSPF EIGRP
EIGRP
What is NOT one of the three characteristics of TCP in its role as a reliable delivery protocol? Connection-oriented Protocol Sequencing and checksums Framing Flow Control
Framing
What is assigned to each node on a network, which is then used by the Network layer to uniquely identify the node? MAC address IP address port address autonomous system address
IP address
What statement regarding the Server Message Block protocol is accurate? -It is a simple protocol used to synchronize block messages written to iSCSI drivers on a network. -It is used by Windows and UNIX-based operating systems to share files. -It is a signaling protocol used to make a connection between hosts prior to data transfer. -It is a protocol used for accessing network-based LDAP directories.
It is used by Windows and UNIX-based operating systems to share files.
Which of the following statements about fiber-optic cabling is accurate? -Fiber-optic cabling has a low resistance to signal noise. -Light experiences virtually no resistance when traveling through glass. -Fiber-optic cable is cheaper than shielded twisted pair cabling. -The maximum length for fiber segment is 20km.
Light experiences virtually no resistance when traveling through glass.
The frame header at the Data Link layer includes hardware addresses of the source and destination NICs. What is another name for this address? MAC (Media Access Control) address DAC (Data Access Control) address DAC (Digital Access Control) address PAC (Packet Access Control) address
MAC (Media Access Control) address
At what layer of the OSI model do the IP, ICMP, and ARP protocols operate? Application Session Transport Network
Network
What mail protocol is used to send mail messages to a server? POP3 IMAP4 SMTP HTTPS
SMTP
What standard describes uniform, enterprise-wide cabling systems, regardless of who manufactures or sells the various parts used in the system? IEEE 802.3 TIA/EIA-568 ITU 922 ISO 9001
TIA/EIA-568
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. -The network is not based on the Ethernet standard. -Fragmented frames will be consolidated into whole frames before being sent. -The MTU for the network is set at 65,535 bytes.
The MTU for the network can be as high as 9198 bytes.
A junior administrator is having issues connecting to a router's console port using a TIA/EIA 568B standard cable and a USB serial to RJ-45 adapter, despite verifying terminal settings. What is the issue? -Router console ports are only used when connected to other routers. -The router console port is providing an Ethernet connection, instead of a serial connection. The USB standard is incompatible with the serial connection used by the console port. The cable must be a rollover cable.
The cable must be a rollover cable.
You are troubleshooting a network issue on a client computer and discover that the network card has an IP address of 169.254.196.200. What does this mean? -The computer has been assigned a routed public IP address. -The network card has been erroneously assigned a loopback address. -The computer is configured to use DHCP, but was unable to lease an address. -The network card is set up for multicase communication.
The computer is configured to use DHCP, but was unable to lease an address.
Why should you not leave more than 1 inch of exposed cable before a twisted-pair termination? -Exposing more cable than necessary can cause corrosion of the copper wire. -The exposure of the cable can cause transmission interference between wires. -The cable will lose its conductive properties. -The termination will fail over time due to oxidation.
The exposure of the cable can cause transmission interference between wires.
What occurs if a network layer protocol is aware that a packet is larger than the maximum size for its network? -The protocol will notify a network router capable of receiving the packet, and a new path will be used to the destination. -The protocol will send an ICMP message to the destination, requesting a larger packet size allowed. -The packet will be dropped silently, requiring the communicating application try again. -The packet will be divided into smaller packets using fragmentation.
The packet will be divided into smaller packets using fragmentation.
How do routers create a broadcast domain boundary? They forward broadcasts only to necessary segments. They listen to and direct broadcast traffic. They only forward broadcasts that are intended for multiple subnets. They do not forward broadcast traffic.
They do not forward broadcast traffic.
What type of IPv6 address is fe80::8cf1:2c42:ffde:da1c? gobal address link local address multicast address anycast address
link local address
You've been handed a fiber with a 1.25-mm ferrule that requires a connector. What is the most commonly used connector for this ferrule size? subscriber connector (SC) straight tip (ST) Mechanical Transfer-Registered Jack (MTRJ) local connector (LC)
local connector (LC)
What utility is the equivalent to the pathping command on a Linux system? mtr tracepath traceroute hping
mtr
What kind of tool can you use to measure voltage on a cable length? continuity tester multimeter time domain reflectometer light meter
multimeter
Which command will produce statistics about each message transmitted by a host, separated according to protocol type? ipconfig -s netstat -s ipstat -a netstat -an
netstat -s
At the Transport layer of the OSI, what is used to find and communicate with a particular application running on a host? IP address port numbers domain names MAC addresses
port numbers
A change coordinator functions as what type of manager? project manager inventory manager human resources manager time manager
project manager
Telephone connections follow what registered jack standard? registered jack 11 (RJ-11) registered jack 12 (RJ-12) registered jack 45 (RJ-45) registered jack 100 (RJ-100)
registered jack 11 (RJ-11)
Signals that can travel in only one direction on a medium are referred to as what type of signal? full-duplex duplex half-duplex simplex
simplex
If your network consists of all connected devices connecting to one central device, such as a switch, what type of topology is being used? bus topology star topology star bus topology mesh topology
star topology
Utilizing time slots that are adjusted according to priority and need is an example of what type of multiplexing on copper lines? time division multiplexing statistical time division multiplexing frequency division multiplexing wavelength division multiplexing
statistical time division multiplexing