CSIS 161 week 2 Practice Questions
You want to implement a protocol on your network that allows computers to find a host's IP address from a logical name. Which protocol should you implement? DNS Telnet ARP DHCP
DNS
What are the small, rapid variations in a system clock called? Dispersion Drift Jitter Skew
Jitter
Which of the following cable types often includes a solid plastic core that keeps the twisted pairs separated? Cat 5e Cat 3 Cat 5 Cat 6
Cat 6
Which of the following are valid IPv6 addresses? (Select two.) 127.0.0.1 141:0:0:0:15:0:0:1 6384:1319:7700:7631:446A:5511:8940:2552 343F:1EEE:ACDD:2034:1FF3:5012 165.15.78.53.100.1 192.168.2.15
141:0:0:0:15:0:0:1 6384:1319:7700:7631:446A:5511:8940:2552
Which of the following can you append to the end of the dig command to run a query for all the records in the zone? -axfr -mx -ns -a
-axfr
Which stratum level does the authoritative time device fall under? 3 2 1 0
0
A rack's height is measured in rack units (Us). How tall is a single rack unit? 1.75 inches tall 1.5 inches tall 1.25 inches tall 2 inches tall
1.75 inches tall
A host has an address of 100.55.177.99/16. Which of the following is the broadcast address for the subnet? 100.255.255.255 255.255.0.0 100.55.255.255 255.255.255.0
100.55.255.255
Which of the following uses metal clips placed over plastic slots to connect individual copper wires? 110 block 25 pair 100 pair 66 block
110 block
What is the correct binary form of the decimal IP address 192.168.1.1? 00001010.10101000.00000001.00000001 10101100.00010001.00000001.00000001 11000000.10101000.00000010.00000001 11000000.10101000.00000001.00000001
11000000.10101000.00000001.00000001
Which of the following ports does NTP run on? 123 80 443 21
123
Which of the following is the highest stratum level allowed? 20 5 15 10
15
Which network address and subnet mask does APIPA use? (Select two.) 169.0.250.0 169.254.0.0 255.255.0.0 255.0.0.0 255.255.255.0 169.255.0.0
169.254.0.0 255.255.0.0
Which of the following IP address ranges is reserved for Automatic Private IP Addressing (APIPA)? 169.254.0.1 - 169.254.255.254 192.168.0.0 - 192.168.255.254 169.192.0.0 - 169.192.254.255 169.168.0.1 - 169.168.255.255
169.254.0.1 - 169.254.255.254
Which of the following is a valid APIPA address? 10.23.0.50 169.254.32.50 169.0.0.50 192.168.0.50
169.254.32.50
Your network has a network address of 172.17.0.0 with a subnet mask of 255.255.255.0. Which of the following are true concerning this network? (Select two.) 172.17.0.1 is reserved for the default gateway. 256 IP addresses can be assigned to host devices. 172.17.0.255 is the network broadcast address. 172.17.255.255 is the network broadcast address. 254 IP addresses can be assigned to host devices.
172.17.0.255 is the network broadcast address. 254 IP addresses can be assigned to host devices.
Based on the address prefix for each IPv6 address on the right, identify the address type from the list on the left. (Addresses may not represent actual addresses used in production.)
2001:6789:9078::ABCE:AFFF:FE98:0001; Global unicast FD00::8907:FF:FE76:ABC; Unique local FF00:98BD:6532::1; Multicast FEA0::AB89:9FF:FE77:1234; Link-local FF02::1:2; Multicast
Listen to exam instructions Consider the following output from a dig command run on a Linux system. ; <<>> DiG 8.2 <<>> westsim111.com ;;res options:init recurs defnam dnsrch ;;got answer: ;;->>HEADER<<-opcode:QUERY, status: NOERROR, id:4 ;;flags: qr rd ra; QUERY:1, ANSWER:1, AUTHORITY:2, ADDITIONAL:0 ;;QUERY SECTION: ;; westsim111.com, type = A, class = IN ;;ANSWER SECTION: westsim111.com. 7h33m IN A 76.141.43.129 ;;AUTHORITY SECTION: westsim111.com. 7h33m IN NS dns1.deriatct111.com. westsim111.com. 7h33m IN NS dns2.deriatct222.com. ;;Total query time: 78 msec ;;FROM: localhost.localdomain to SERVER:default -- 202.64.49.150 ;;WHEN: Tue Feb 16 23:21:24 2005 ;;MSG SIZE sent: 30 rcvd:103 What is the IP address of the DNS server that performed this name resolution? 202.64.49.150 16.23.21.24 192.168.1.100 76.141.43.129
202.64.49.150
What is the decimal form of the following binary IP address? 11001101.00111001.10101001.01000010 206.58.170.67 238.90.202.99 205.57.169.66 190.42.154.51
205.57.169.66
Rack heights vary from a few rack units to many rack units. The most common rack heights are 24U and 42U. How tall is a 24U rack? 42 inches 30 inches 48 inches 36 inches
42 inches
Your network uses a network address of 137.65.0.0 with a subnet mask of 255.255.0.0. How many IP addresses are available to assign to network hosts on this network? 65534 16777214 254 2
65534
Which port is a DHCP Discover packet sent out on when a device first connects to a network? 67 80 53 68
67
Which port does the relay agent use when it sends DHCP information back to the client? 80 53 67 68
68
You manage a network with two locations (Portland and Seattle). Both locations are connected to the internet. The computers in both locations are configured to use IPv6. You'd like to implement an IPv6 solution to meet the following requirements: Hosts in each location should be able to use IPv6 to communicate with hosts in the other location through the IPv4 internet. You want to use a site-to-site tunneling method instead of a host-to-host tunneling method. Which IPv6 solution should you use? 6to4 tunneling Teredo tunneling ISATAP 4to6 tunneling
6to4 tunneling
Multi-mode fiber is designed to operate at which of the following wavelengths? 1310 nm and 1550 nm 850 nm and 1310 nm 850 nm and 1300 nm 1300 nm and 1550 nm
850 nm and 1300 nm
Which of the following IPv6 addresses is equivalent to the IPv4 loopback address of 127.0.0.1? ::1 FF02::1 FE80::1 ::
::1
Which of the following statements about Dynamic Host Configuration Protocol (DHCP) are true? (Select two.) IP addresses cannot be excluded from a range of delivered addresses. It cannot be configured to assign the same IP address to the same host each time it boots. A DHCP server assigns addresses to requesting hosts. It can deliver other configuration information in addition to IP addresses. It is only used to deliver IP addresses to hosts.
A DHCP server assigns addresses to requesting hosts It can deliver other configuration information in addition to IP addresses.
Which of the following devices is MOST LIKELY to be assigned a public IP address? A database server that's used by your company's website for storing customer information. A router that connects your home network to the internet. A workstation on your company network that has internet access. A router on your company network that segments your LAN into two subnets.
A router that connects your home network to the internet.
While viewing the status of interfaces on a Cisco switch, you see an abnormally large number of CRC errors on one interface. This interface is connected to a user's workstation that is located in a cubicle on the second floor.What could cause this to happen? Collisions between two or more network hosts. Two hosts on the network with the same MAC address. A strong EMI emitter near the cable connected to that interface. An incorrect subnet mask configured on the workstation.
A strong EMI emitter near the cable connected to that interface.
Which of the following is a valid MAC address? FABC.875E.9BG6 95ABC2F4.ABC5.569D.43BF AB.07.CF.62.16.BD 145.65.254.10
AB.07.CF.62.16.BD
A host wants to send a message to another host that has an IP address of 115.99.80.157, but it does not know the destination device's hardware address. Which protocol can be used to discover the MAC address? ARP DNS IGMP ICMP
ARP
Which protocol is used by a device to ensure that an APIPA address is not already in use on the network? TCP IP DHCP ARP
ARP
You administer a network with Windows Server 2016, UNIX servers, and Windows 10 Professional, Windows 8, and Macintosh clients. A Windows 8 computer user calls you one day and says that he is unable to access resources on the network. You type ipconfig on the user's computer and receive the following output: 0 Ethernet adapter: IP address. . . . . . . . . : 169.254.1.17 Subnet Mask . . . . . . . . : 255.255.0.0 Default Gateway . . . . . . : You also check your NIC and see that the link light is on. What might the problem be in this scenario? The user changed their computer's configuration A bad NIC An unavailable DHCP server A missing default gateway
An unavailable DHCP server
You need to replace a fiber optic cable that's connecting two switches together. You inspect the existing cable and determine that it uses LC connectors. You also notice that the cable's ferrule has a slight slant to it. Which polish grade should you use to replace the existing cable? Angled Physical Contact polish Ultra Physical Contact polish Physical Contact polish Flat Physical Contact polish
Angled Physical Contact polish
Which of the following allows the same IPv6 address to be assigned to multiple interfaces? Multicast Anycast Broadcast Unicast
Anycast
Which of the following works as an authoritative time device? System clock Analog clock Digital clock Atomic clock
Atomic clock
Which of the following gives the same IP address to multiple servers and manually defines different routes on an IPv4 network? Multicast BGP Anycast IGMP
BGP
You're working with an older 10Base2 Ethernet network. Which of the following connector types will you MOST LIKELY encounter? ST F-type RJ11 BNC
BNC
Which of the following BEST describes the special MAC address that multicast traffic frames are sent to? Begins with 01-00-5E and ends with a form of the IP multicast group address Begins with 01-00-5E and ends with a form of the router's IP address Begins with a form of the router's IP address and ends with 01-00-5E Begins with a form of the IP multicast group address and ends with 01-00-5E
Begins with 01-00-5E and ends with a form of the IP multicast group address
Which of the following is a valid MAC address? 83-5A-5B-0B-31-55-F1 C0-34-FF-15-01-8E 34-9A-86-1G-B3-24 73-99-12-61-15
C0-34-FF-15-01-8E
You are making Ethernet drop cables using Cat5e cables and RJ45 connectors. You need to remove the plastic coating over the cable to expose the individual wires. Which tool should you use? Snips Punch down tool Crimping tool Cable stripper
Cable stripper
Which of the following are characteristics of Teredo tunneling? (Select three.) Can't be used to send data over the internet Uses an IPv6 address static association for the IPv4 address Is configured between individual hosts Has dual-stack routers Can be used to send data over the internet Has dual-stack hosts Is configured between routers at different sites
Can be used to send data over the internet Has dual-stack hosts Is configured between individual hosts
Listen to exam instructions You are the network administrator for a small consulting firm. The office network consists of 30 computers, one server, two network printers, and a switch. Due to security concerns, there is no wireless network available in the office. One of your users, Bob, travels to client sites and is generally not in the office. When Bob goes to client sites, he typically just connects to their wireless networks. When he's in the office, Bob connects his laptop to the network with an Ethernet cable. You need to make sure that Bob's laptop is setup so that when he plugs the Ethernet cable into his laptop, no further configuration is needed. Which of the following would be the BEST option to achieve this? Configure an alternate IP configuration. Set up a separate DHCP server. Set up a separate computer for Bob to use when he's in the office. Set up a wireless network in the office.
Configure an alternate IP configuration.
You've decided to implement Gigabit Ethernet on your network; each switch port is connected to a single device. Following the installation, you find one device connected to a switch that's only running at 100 Mbps.Which of the following is MOST LIKELY the cause? Crosstalk Impedance A short Collisions
Crosstalk
You have a TCP/IP network with 50 hosts. There have been inconsistent communication problems between these hosts. You run a protocol analyzer and discover that two of them have the same IP address assigned. Which protocol can you implement on your network to help prevent problems such as this? DHCP IGMP TCP SNMP
DHCP
You have a network with 50 workstations. You want to automatically configure the workstations with the IP address, subnet mask, and default gateway values. Which device should you use? Router DNS server Gateway DHCP server
DHCP server
You are a network technician for a small consulting firm. Many users have reported issues with accessing the network. After some initial troubleshooting, you discover that devices are not receiving their IP configurations. You look into the issue and discover that the network is being targeted by a denial-of-service attack. Which of the following is your network MOST likely experiencing? On-path attack DHCP starvation attack APIPA Rogue DNS server
DHCP starvation attack
You need to enable hosts on your network to find the IP address of logical names, such as srv1.myserver.com. Which device should you use? IPS DNS server Bandwidth shaper IDS
DNS server
Which of the following describes the point where the service provider's responsibility to install and maintain wiring and equipment ends and the customer's begins? Demarc IDF Punch down block Vertical cross connect
Demarc
You have a cable internet connection at home. The installer had connected the router near the outside wall of your house with RG6 cable. You move the cable router a distance of 50 meters using RG8 cables and special connector adapters.Which condition are you MOST LIKELY to experience? EMI NEXT FEXT Echo
Echo
When a device renews its DHCP lease, which two steps in the DHCP process are skipped? Renew Discover Offer ACK Request
Discover Offer
You are the network administrator for a consulting firm. Your network consists of: 40 desktop computers Two servers Three network switches Two network printers You've been alerted to an issue with two desktop computers that are having problems communicating with the network. When only one computer is on, everything is fine. But when both computers are connected, the network connection is randomly dropped or interrupted. Which of the following would be the MOST likely cause for this? Incorrect default gateway Duplicate MAC Addresses Exhausted DHCP scope Rogue DNS server
Duplicate MAC Addresses
Which of the following services automatically creates and deletes host records when an IP address lease is created or released? DHCP Relay Dynamic DNS Forward lookup Dynamic NAT
Dynamic DNS
You've just signed up for a broadband home internet service that uses coaxial cabling. Which connector type will you MOST LIKELY use? BNC F-type RJ45 RJ11
F-type
Which of the following are advantages of using fiber optic cabling for a network? (Select two.) Easy to work with Lower installation cost Greater cable distances without a repeater No special training or equipment is required Immunity to electromagnetic interference
Greater Cable distances without a repeater Immunity to electromagnetic interference
Which of the following IPv6 addresses is used by a host to contact a DHCP server? FE80::1:2 FE80::2 FF02::2 FF02::1:2
FF02::1:2
You are the network administrator for a small organization. Recently, you contracted with an ISP to connect your organization's network to the internet. Since doing so, it has come to your attention that an intruder has invaded your network from the internet on three separate occasions. Which type of network hardware should you implement to prevent this from happening again? Hub Firewall Switch Router
Firewall
Which of the following creates a visual representation of physical components along with a clearly defined set of principles and procedures? Floor plan Rack diagram Wiring diagram Logical network diagram
Floor plan
You are the network administrator for a small consulting firm. The firm has recently rolled out a new intranet site, and you are responsible for configuring the DNS. You are able to connect to the intranet site by using the IP address, but you cannot connect when you use the hostname. Which of the following do you need to configure so that the site can be accessed with the hostname? CNAME record Reverse lookup zone Forward lookup zone Dynamic DNS
Forward lookup zone
You want a switch to have the ability to modify the media type the switch port supports. Which type of module might you use to make this possible? GBIC SFP MAC ARP QSFP
GBIC SFP
Which of the following does the DHCP relay agent use to tell the DHCP server which pool of addresses to use? GIADDR DHCP scope DHCP ACK Subnet mask
GIADDR
Consider the following IPv6 address: FD01:0001:0001:005::7/64 Drag the component parts of this address on the left to the corresponding descriptions on the right. (Not all descriptions on the right have corresponding components on the left.)
Global routing prefix; FD01:0001:0001:005 Subnet ID; :005 Interface ID; ::7 Prefix length; /64 Global ID; (Blank) Unique local unicast prefix; FD
You need to design an IPv6 addressing scheme for your network. The following are key requirements for your design: Infrastructure hosts, such as routers and servers, are assigned static interface IDs. However, workstations, notebooks, tablets, and phones are assigned interface IDs dynamically. Internet access must be available to all hosts through an ISP. Site-to-site WAN connections are created using leased lines. Which type of IPv6 addressing is most appropriate for hosts on this network? Global unicast addressing Unique local unicast addressing Anycast addressing Link-local addressing
Global unicast addressing
Which of the following is the first place a computer looks at during the name resolution process? HOSTS file Forward lookup zone DNS server Reverse lookup zone
HOSTS file
Which organization is responsible for allocating public IP addresses? CompTIA IEEE IETF IANA
IANA
Which protocol does an IP host use to inform a router that it wants to receive specific multicast frames? SNMP SMTP ICMP IGMP
IGMP
You have a small network with a single subnet connected to the internet, as shown in the exhibit. The router has been assigned the two addresses shown. You need to manually configure the workstation to connect to the network. The workstation should use RouterA as the default gateway and DNS1 as the DNS server address. From the drop-down menu options, select the appropriate parameters to configure the workstation's TCP/IP settings.
IP address = 192.168.12.46 Subnet mask = 255.255.255.240 Default gateway = 192.168.12.34 DNS server = 198.162.1.22
Which of the following would a device use to receive NTP configuration from a NTP server that's located on a different network? UDP relay agent NTP relay agent IP helper NTP helper
IP helper
You recently created a new network segment for the Development department. Because the hosts are now on a different network segment, they can no longer contact the DHCP server. Both network segments are connected via a Cisco router. Which of the following would be the BEST action to take to fix the problem? Implement an IP helper address on the router. Move the DHCP server to the new network segment. Install and configure a new DHCP server on the Development network segment. Configure the router to forward broadcast messages.
Implement an IP helper address on the router.
A user reports that they cannot browse to a specific website on the internet. From the user's computer, a computer tech finds that a ping test to the web server succeeds. A traceroute test shows 17 hops to the destination web server. What is the MOST likely cause of the problem? Incorrect DNS server address Duplicate IP addresses Incorrect default gateway address Incorrect subnet mask value
Incorrect DNS server address
You are a network technician for a small consulting firm. One of your users is complaining that they are unable to connect to the local intranet site. After some troubleshooting, you've determined that the intranet site can be connected to by using the IP address but not the hostname. Which of the following would be the MOST likely reason for this? Incorrect DNS settings Incorrect default gateway Incorrect subnet mask Incorrect DHCP configuration
Incorrect DNS settings
You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0/24 subnet. This workstation cannot communicate with any other host on the network. You run ipconfig /all and see the following: Ethernet adapter Local Area Connection: Connection-specific DNS Suffix. : mydomain.local Description . . . . . . . : Broadcom network adapter Physical Address . . . . . : 00-AA-BB-CC-74-EF DHCP Enabled. . . . . . . : No Autoconfiguration Enabled . . : Yes IPv4 Address. . . . . . . : 192.168.2.102(Preferred) Subnet Mask . . . . . . . : 255.255.255.0 Default Gateway. . . . . . : 192.168.1.1 DNS Servers . . . . . . . : 192.168.2.20 What is the MOST likely cause of the problem? Incorrect subnet mask Incorrect default gateway Incorrect DNS server address Incorrect IP address
Incorrect IP address
You've configured your organization's DHCP server to dynamically assign IP addresses and changed the default lease time from eight to four days. What impact, if any, will this have on the network? No impact Network bandwidth will increase Increased network traffic Router performance will improve Decreased network traffic
Increased network traffic
You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0/24 subnet. This workstation can communicate with some hosts on the private network, but not with other hosts. You run ipconfig /all and see the following: Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : mydomain.local Description . . . . . . . : Broadcom network adapter Physical Address. . . . . . : 00-AA-BB-CC-74-EF DHCP Enabled . . . . . . . : No Autoconfiguration Enabled. . . : Yes IPv4 Address . . . . . . . : 192.168.1.102(Preferred) Subnet Mask . . . . . . . : 255.255.255.0 Default Gateway. . . . . . . . . : 192.168.2.1 DNS Servers. . . . . . . . . . . : 192.168.2.20 What is the most likely cause of the problem? Incorrect IP address Incorrect default gateway Incorrect subnet mask Incorrect DNS server address
Incorrect default gateway
You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0/24 subnet. This workstation can communicate with some hosts on the private network, but not with other hosts. You run ipconfig /all and see the following: Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : mydomain.local Description . . . . . . . : Broadcom network adapter Physical Address. . . . . . : 00-AA-BB-CC-74-EF DHCP Enabled . . . . . . . : No Autoconfiguration Enabled. . . : Yes IPv4 Address . . . . . . . : 192.168.1.102(Preferred) Subnet Mask. . . . . . . . : 255.255.0.0 Default Gateway . . . . . . : 192.168.1.1 DNS Servers . . . . . . . : 192.168.1.20 192.168.1.27 What is the MOST likely cause of the problem? Incorrect DNS server address Incorrect default gateway Incorrect subnet mask Incorrect IP address
Incorrect subnet mask
Which of the following strategies do we use to prevent duplicate IP addresses from being used on a network? (Select two.) Configure a HOSTS file for local IP resolution. Install a DHCP server on the network. Configure client systems to use static IP assignment. Set the Windows Network Monitoring utility to identify potential IP conflicts. Use Automatic Private IP Addressing (APIPA).
Install a DHCP server on the network. Use Automatic Private IP Addressing (APIPA).
Which of the following BEST describes how a switch functions? It connects multiple cable segments (or devices) and broadcasts frames to all of its ports. It connects multiple segments of different architectures. It translates frames and broadcasts them to all of its ports. It connects multiple segments of different architectures. It translates frames and forwards them to the appropriate segment. It connects multiple cable segments (or devices) and forwards frames to the appropriate segment.
It connects multiple cable segments (or devices) and forwards frames to the appropriate segment.
Which of the following are characteristics of a coaxial network cable? (Select two.) It is composed of four pairs of 22-gauge copper wire. It has a conductor made from copper in its center. The conductors within the cable are twisted around each other to eliminate crosstalk. It uses RJ45 connectors. It uses two concentric metallic conductors.
It has a conductor made from copper in its center. It uses two concentric metallic conductors.
Which of the following are true about a MAC address? (Select two.) It is typically represented by hexadecimal numbers. It is a 32-bit address. It is a 48-bit address. It is a 64-bit address. It is typically represented by octets of decimal numbers between 0-255.
It is a 48-bit address. It is typically represented by hexadecimal numbers.
Which of the following statements accurately describe how a modem works? (Select two.) It communicates over a telephone network using digital signals. It modulates digital data from a PC into analog data and transmits it on a telephone network. It demodulates analog PC data into digital data that can be transmitted through a telephone network. It demodulates analog data from a telephone network into digital PC data. It modulates digital data from a telephone network into analog data that a PC can use.
It modulates digital data from a PC into analog data and transmits it on a telephone network. It demodulates analog data from a telephone network into digital PC data.
Which of the following is true about single-mode fiber optic network cabling? It has shorter segment lengths than multi-mode fiber optic cabling. It's optimized for 850 nm and 1300 nm light sources. It's less expensive than multi-mode fiber optic cabling. Its central core is smaller than the standard multi-mode fiber optic cabling core.
Its central core is smaller than the standard multi-mode fiber optic cabling core.
Which recommendation should you follow while using 110 blocks for connecting Cat5 and higher data cables? Use C-5 connectors. Connect wires using the T568B standard. Connect wires using the T568A standard. Keep wire pairs twisted up to within one half of an inch of the connector.
Keep wire pairs twisted up to within one half of an inch of the connector.
Which of the following connectors are used with fiber optic cables and include both cables in a single connector? (Select two.) ST LC SC BNC MTRJ
LC MTRJ
At which OSI model layer does a media converter operate? Layer 1 Layer 2 Layer 3 Layer 4
Layer 1
You're troubleshooting an IP addressing issue, and you issue a command to view the system's TCP/IP configuration. The command you use produces the following output: fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 inet6 fe80::2a0:83ff:fe30:57a%fxp0 prefixlen 64 scopeid 0x1 inet 192.168.1.235 netmask 0xfffffc00 broadcast 255.255.255.255 ether 00:a0:83:30:05:7a media: Ethernet autoselect (100baseTX <full-duplex>) status: active lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384 inet6 ::1 prefixlen 128 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x7 inet 127.0.0.1 netmask 0xff000000 Which of the following operating systems are you working on? Windows Server 2019 Windows Server 2016 Linux Windows 10
Linux
Which of the following terms identifies the wiring closet in the basement or ground floor that typically includes the demarcation point? MDF 110 block Horizontal cross connect IDF
MDF
You have a server that has a 100BaseFX network interface card you need to connect to a switch. The switch only has 100BaseTX switch ports. Which device should you use? Media converter Repeater Bridge Hub
Media converter
You have a server at work with a custom application installed. Connections to the server that use the custom application must use IPv6, but the server is currently running IPv4. You're the only person who connects to the server, and you always use your Linux laptop for the connection. Your laptop supports both IPv4 and IPv6, but the rest of your company network runs only IPv4. You need a cost-effective solution to allow your laptop to connect to the server. Your solution must also support communication through NAT servers. Which client software should you use to connect to the server? 6to4 ISATAP 4to6 Miredo
Miredo
Which address type do people use to support video conference calls consisting of multiple participants? Unicast Loopback Multicast Anycast
Multicast
Which of the following address types shares multiple hosts and groups of computers that receive the same data stream? Multicast Half-duplex Unicast Broadcast
Multicast
Which type of address is the IP address 232.111.255.250? Unicast Multicast Broadcast Private
Multicast
You want to measure the voltage, amps, and ohms of various devices. Which tool should you use? Certifier Multimeter Voltage event recorder Toner probe
Multimeter
At which OSI layer does a router operate to forward network messages? Transport Data Link Physical Network
Network
Which network component connects a device to transmission media and allows the device to send and receive messages? Client Network interface card Protocol Server
Network interface card
You're installing network wiring for a new Ethernet network at your company's main office building. The project specifications call for Cat 5e UTP network cabling and RJ45 wall jacks. Near the end of the project, you run out of wire before the last few runs are complete. You have a spool of Cat 3 network cable in storage. Upon closer inspection, it appears very similar to the Cat 5e wiring. To finish the project, should you substitute the Cat 3 cabling for the Cat 5e cabling? Yes. You can use Cat 3 cabling as a substitute for Cat 5e cabling since they're electrically identical. No. The sheath surrounding Cat 5e cabling is much thicker than the Cat 3 sheath, creating an extra layer of shielding that reduces crosstalk and supports higher data rates. No. Cat 5e cabling has more twists per inch than Cat 3 cabling, reducing crosstalk and supporting higher data rates. No. Cat 5e cabling uses a thicker copper wire than Cat 3 cabling, enabling higher data transmission rates.
No. Cat 5e cabling has more twists per inch than Cat 3 cabling, reducing crosstalk and supporting higher data rates.
You're building a new network for a small financial services startup company. Security is paramount, so each organization within the company will have their own network segments separated by routers. Funds are limited, and you've been asked to keep costs to a minimum. You've acquired a used fiber optic switch, and you want to use it to create a fiber optic backbone that interconnects all of the routers. You've purchased several used multi-mode GBIC modules on eBay that you'll install on each router to allow them to connect to the switch. Both the switch and the GBIC modules use MTRJ connectors. You've purchased several used 1-meter, multi-mode patch cables from Amazon. But when they arrived, you noticed that they use LC connectors. Fortunately, with some force, you found that you're able to get the LC connectors on the cables to lock into the MTRJ connectors on the GBIC modules and on the switch. Will this implementation work? No. You should purchase patch cables that use MTRJ connectors. No. You should use single-mode patch cables to connect a GBIC module to a switch. No. You should use a specialized backbone fiber optic switch to create a backbone network for routers. Yes. All of the requirements for implementing a fiber optic network have been met.
No. You should purchase patch cables that use MTRJ connectors.
You're building a new network for a small financial services startup company. Security is paramount, so each organization within the company will have its own network segment separated by a router. However, funds are limited, and you've been asked to keep costs to a minimum. You've acquired a used fiber optic switch, and you want to use it to create a fiber optic backbone that interconnects all of the routers. You've purchased several used single-mode GBIC modules on eBay that you'll install on each router to allow them to connect to the switch. Both the switch and the GBIC modules use MTRJ connectors. You connect each module to the switch with 1-meter multimode patch cables. Will this implementation work? No. You shouldn't use standard fiber optic switches to create a backbone network for routers. No. You should purchase fiber optic equipment that use FC connectors. Yes. All of the requirements for implementing a fiber optic network have been met. No. You shouldn't use multi-mode patch cables with single-mode GBIC modules.
No. You shouldn't use multi-mode patch cables with single-mode GBIC modules.
You're working with an existing fiber optic installation in your building. You want to know the length of each cable that runs through the walls. Which tool should you use? OTDR Toner probe Smartjack Multimeter
OTDR
Which of the following best describes NTP efficiency? One packet every five minutes is necessary to sync two machines to an accuracy of within a millisecond of one another. Four packets per minute are necessary to sync two machines to an accuracy of within a millisecond of one another. One packet per minute is necessary to sync two machines to an accuracy of within a millisecond of one another. One packet per second is necessary to sync two machines to an accuracy of within a millisecond of one another.
One packet per minute is necessary to sync two machines to an accuracy of within a millisecond of one another.
Which of the following terminates individual wires from a 25-pair or 100-pair cable using female RJ45 ports? Patch panel 66 block 110 block Horizontal cross connect
Patch panel
At which layer of the OSI model do hubs operate? Data Link Internet Layer 3 Physical
Physical
You need to terminate a Cat6 UTP cable with an RJ45 connector. Your organization's IT policy states that all cable connectors must be wired according to TIA568B standards.
Pin 1; White with orange stripe Pin 2; Solid orange Pin 3; White with green stripe Pin 4; Solid blue Pin 5; White with blue stripe Pin 6; Solid green Pin 7; White with brown stripe Pin 8; Solid brown
You're adding new wires in your building for some new offices. The building has a false ceiling that holds the lights and provides an air path for heating and air conditioning. You'd like to run your Ethernet cables in this area. Which type of cable must you use? Plenum-rated cable Cat 5e or Cat 6a cables STP cables Fiber optic cables
Plenum-rated cable
You are preparing to attach wires in a 110 block. You want to connect the wires and trim off the excess at the same time. Which of the following should you do? (Select two.) Use a punch down tool with a straight blade. Point the cut side of the tool toward the connected end of the wire. Point the cut side of the tool towards the wire end. Use the end without a cutting blade. Use a punch down tool with a notched blade.
Point the cut side of the tool towards the wire end. Use a punch down tool with a notched blade.
Listed below are several DNS record types. Match each record type on the left with its function on the right.
Points a hostname to an IPv4 address; A Provides alternate names to hosts that already have a host record; CNAME Points an IP address to a hostname; PTR Points a hostname to an IPv6 address; AAAA Identifies servers that can be used to deliver mail; MX
CorpServ is a small company with 14 client systems and a network printer. Because there are only a limited number of network systems, you decide to use APIPA addressing. With APIPA configured, all the systems are able to communicate with each other, but you're having trouble configuring internet access. What is the MOST LIKELY cause of the problem? The default gateway is not set on the client systems. All client systems must be rebooted. Private addresses cannot directly communicate with hosts outside the local subnet. The DNS server is unavailable to resolve internet host names.
Private addresses cannot directly communicate with hosts outside the local subnet.
Which tool should you use to extend network services beyond the demarc? Punch down tool Tone generator Crimper Patch panel
Punch down tool
You have a small home network connected to the internet using an RG-6 cable. You need to move the router, but you can't find anymore RG-6 cabling. Which cable type could you use instead? RG-59 RG-58 Cat 5e Cat 3
RG-59
Which of the following connectors is used with Ethernet 100BaseTX networks? ST RJ45 GG45 BNC
RJ45
Which of the following connector types would you most likely use to connect to a T1 WAN service? RJ11 RJ45 GG45 RJ48c
RJ48c
What is the process of a DNS server asking other DNS servers to perform name resolution known as? Reverse lookup zone Dynamic DNS Recursive lookup Forward lookup zone
Recursive lookup
If dynamic DNS is in use, which of the following events causes a dynamic update of the host records? (Select two.) Add a CNAME record to the DNS server. Renew the DHCP server's IP address lease. Clear the browser cache on a workstation. Enter the ipconfig /registerdns command on a workstation. Add an MX record to the DNS server.
Renew the DHCP server's IP address lease Enter the ipconfig /registerdns command on a workstation.
Listen to exam instructions You are the network administrator for a large hospital. One of your users, Suzie, calls you stating that she is unable to access any network resources. After some initial troubleshooting, you realize that her computer is using the IP address 169.254.0.52. You've confirmed that the network's physical connection is connected properly. Which of the following should you do next? Ping the gateway. Reboot the DNS server. Reboot the DHCP server. Renew the IP address.
Renew the IP address.
Which of the following hardware devices regenerate a signal out of all connected ports without examining the frame or packet contents? (Select two.) Repeater Hub Router Bridge Switch
Repeater Hub
Which of the following DHCP scope options assigns a static IP configuration to a device using that device's MAC address? Reservation Exclusion IP range Default gateway
Reservation
You are a network technician for a small consulting firm. Many users have reported issues with accessing the network. After some initial troubleshooting, you discover that many devices have the same IP address assigned or incorrect IP configurations. Which of the following would be the MOST likely cause for this? Rogue DNS server Exhausted DHCP scope Incorrect default gateway Rogue DHCP server
Rogue DHCP server
Which of the following hardware devices links multiple networks and directs traffic between networks? Router Bridge Repeater Hub
Router
You have a Windows Server 2016 system that you want to use as a DHCP relay agent. Which Windows Server 2016 service would you use to do this? Routing and Remote Access DNS Internet Information Services (IIS) Manager SMB
Routing and Remote Access
Which of the following connectors usually require polishing as part of the assembly process? (Select two.) BNC RJ45 SC ST F-type
SC ST
Which of the following connectors is used with fiber optic cables and requires that you use a twisting motion to connect it? SC BNC ST F-type
ST
Which of the following will not function properly if there is a time mismatch error? Program installation Windows login Event logging Security certificates
Security certificates
What is the first thing a device does when it connects to a network? Sends a DHCP Request packet Sends a DHCP Discover packet Sends a DHCP ACK packet Sends a DHCP Offer packet
Sends a DHCP Discover packet
Which type of optical fiber is normally used to connect two buildings that are several kilometers apart? Shielded twisted pair Multi-mode fiber Coaxial cable Single-mode fiber
Single-mode fiber
Which of the following cables offers the best protection against EMI? RG-6 Single-mode fiber optic Cat 5 Cat 5e
Single-mode fiber optic
You are the network administrator for a small consulting firm. You've set up an NTP server to manage the time across all the machines in the network. You have a computer that's experiencing a slight time drift of just a few seconds. Which time correction should you use to fix the system's clock? Skew Jitter Slew Slam
Slew
Users report that the internet is no longer accessible. You suspect that the line connecting your building to the internet isn't working properly. Which of the following allows the service provider to remotely test the local loop? Demarc Smartjack Demarc extension Horizontal cross connect
Smartjack
You are configuring the DHCP relay agent role on a Windows server. Which of the following is a required step for the configuration? Configure the Windows server to be on the same subnet as the DHCP server. Specify which server network interface the agent listens on for DHCP messages. Use the ip helper-address command to specify the remote DHCP server. Connect an RFC 1542-compliant router to the Windows server.
Specify which server network interface the agent listens on for DHCP messages.
You manage a network that uses IPv6 addressing. When clients connect devices to the network, they generate an interface ID and use NDP to learn the subnet prefix and default gateway. Which IPv6 address assignment method is being used? Static partial assignment Static full assignment Stateless autoconfiguration Stateful DHCPv6
Stateless autoconfiguration
Which of the following needs to be configured when a device receives its IP configuration from APIPA? IP address DNS server Default gateway IP lease time Subnet Mask
Subnet Mask IP Address
You have a small network with three subnets, as shown in the exhibit. IP addresses for each router interface are also indicated in the exhibit. How many IP addresses that you can assign to hosts remain on each subnet? SubnetA = 62, SubnetB = 0, SubnetC = 6 SubnetA = 254, SubnetB = 6, SubnetC = 30 SubnetA = 126, SubnetB = 2, SubnetC = 14 SubnetA = 125, SubnetB = 0, SubnetC = 13 SubnetA = 61, SubnetB = 0, SubnetC = 5 SubnetA = 253, SubnetB = 4, SubnetC = 29
SubnetA = 125, SubnetB = 0, SubnetC = 13
Which of the following best describes the purpose of using subnets? Subnets let you connect a private network to the internet. Subnets place each device within its own collision domain. Subnets divide an IP network address into multiple network addresses. Subnets combine multiple IP network addresses into one network address.
Subnets divide an IP network address into multiple network addresses.
Listen to exam instructions You are the network administrator for a small consulting firm. Users are complaining that they are unable to reach network resources. After some troubleshooting, you've confirmed that the DHCP server is down. Your network devices should be receiving an APIPA address so that they can at least communicate on the internal network, but many devices are not receiving this address. Which of the following is the MOST likely reason the devices are not receiving their APIPA addresses? Alternate IP addresses need to be configured. The DHCP lease has not expired. The DNS lease has not expired. APIPA is not enabled.
The DHCP lease has not expired.
You are the network administrator for a large hospital. One of your users, Suzie, calls you stating that she is unable to access any network resources. After some initial troubleshooting, you realize that her computer is using the IP address 169.254.0.52. You've performed the following troubleshooting steps so far: Verified physical network connection Attempted to renew the IP address Discovered other devices are experiencing the same issue Which of the following is the MOST likely cause for Suzie's issue? The DHCP server is misconfigured or down. The computer is assigned a static IP address. The DNS server is misconfigured or down. The gateway router is down.
The DHCP server is misconfigured or down.
You've connected a cable certifier to an RJ45 wall jack, and the output shown below is displayed on the device. What does this output indicate? (Select two.) There are multiple shorts on this cable. The cable is functioning correctly. This is a straight-through cable. There are multiple open pins on this cable. This is a crossover cable.
The cable is functioning correctly. This is a crossover cable.
After you install a new DHCP server on your network, you need to verify that the network devices are receiving IP addressing via DHCP. You reboot a Windows 10 client system and, using the ipconfig /all command, receive the following information: Ethernet adapter Local Area Connection 1:Description . . . . . . . . . . . : Intel(R) Ethernet ConnectionPhysical Address. . . . . . . . . : 02-00-4C-4F-3F-50DHCP Enabled. . . . . . . . . . . : YesAutoconfiguration Enabled . . . . : YesAutoconfiguration IPv4 Address. . : 169.254.25.129Subnet Mask . . . . . . . . . . . : 255.255.0.0Default Gateway . . . . . . . . . :DNS Servers . . . . . . . . . . . : Which of the following statements are true? (Select two). The network is configured to use static IP addressing. The network subnet mask is incorrect. The default gateway address needs to point to the DHCP server. The client system is configured to use DHCP. DHCP is disabled on the client system. The client system is unable to reach the DHCP server.
The client system is configured to use DHCP. The client system is unable to reach the DHCP server.
Which IP address do broadcast messages use? The first valid IP address on the subnet 224.0.0.1 The last valid IP address on the subnet 224.0.0.0
The last valid IP address on the subnet
On a typical network, what happens if a client attempts to receive DHCP configuration from a DHCP server that's located on a different subnet? The client will not send a DHCP request. The router drops the DHCP request. The request needs to be manually forwarded to the server. The DHCP request is automatically forwarded to the server.
The router drops the DHCP request.
Which of the following are characteristics of an MTRJ fiber optic connector? (Select two.) They can be used with multi-mode fiber optic cables. They're called push-in-and-twist connectors. They use a keyed bayonet. They use metal guide pins to ensure accurate alignment. They must never be used with single-mode fiber optic cables.
They can be used with multi-mode fiber optic cables. They use metal guide pins to ensure accurate alignment.
Which of the following are characteristics of an LC fiber optic connector? (Select two.) They are threaded. They use a one-piece bayonet connecting system. They use a housing and latch system similar to an RJ45 UTP connector. They are half the size of standard connectors. They can be used with either fiber optic or copper cabling.
They use a housing and latch system similar to an RJ45 UTP connector. They are half the size of standard connectors.
What is it called when a system's clock begins to be off by a few seconds or even minutes? Slew Dispersion Time drift Slam
Time drift
Which type of address is the IP address 198.162.12.254/24? Multicast Private Broadcast Unicast
Unicast
You are the network administrator for a consulting firm. A website that users on your network visit has a habit of frequently changing its IP address. When these IP mappings change, users are unable to connect until you clear the DNS cache. Which of the following settings should you configure so that the cache does not need to be manually cleared every time? Reverse lookup zone Forward lookup zone Time to live CNAME record
Time to live
Which device sends signals from a computer onto a network? Gateway Router Cable Transceiver
Transceiver
Which of the following protocols does DHCP use when it sends out IP configuration? TCP IP UDP SMTP
UDP
Which of the following time standards does NTP use? EDT UTC CDT PDT
UTC
Which type of address identifies which single host to send a packet to? Simplex Broadcast Unicast Multicast
Unicast
You have a network that occupies all three floors of a building. The WAN service provider has installed the line in a wiring closet on the main floor. You have a wiring closet on the two remaining floors directly above the wiring closet on the main floor. What would you use to connect the wiring closets together? Horizontal cross connect Vertical cross connect Smart jack Demarc extension
Vertical cross connect
How do switches and bridges learn where devices are located on a network? When a frame enters a port, the destination MAC address is copied from frame header. When a frame enters a port, the source MAC address is copied from the frame header. When a frame enters a port, the source IP address is copied from the frame header. When a frame enters a port, the destination IP address is copied from the frame header.
When a frame enters a port, the source MAC address is copied from the frame header.
Due to wide network expansion, you've decided to upgrade your network by configuring a DHCP server. The network uses Linux, Windows, and Mac OS X client systems. You configure the server to distribute IP addresses from 192.168.2.1 to 192.168.2.100. You use the subnet mask of 255.255.255.0. After you make all the setting changes on the DHCP server, you reboot each client system, but they are not able to obtain an IP address from the DHCP server. Which of the following explains the failure? 192.168.x.x requires a Class C subnet mask. You must configure the clients to obtain IP addressing from a DHCP server. You must reboot the DHCP server. DHCP does not function in a heterogeneous computing environment.
You must configure the clients to obtain IP addressing from a DHCP server.
Which of the following is the top-level domain in www.testout.com.'s fully qualified domain name (FQDN)? testout www com . (period)
com
Why might you use an RJ11 connector? You want to connect a 10GBaseT network to a switch card using a Cat 6 cable. You want to connect your computer to the internet with a DSL modem. You want to upgrade your 10BaseT network to 100BaseTX. You want to connect your computer to a network using a Cat 7 cable.
You want to connect your computer to the internet with a DSL modem.
Which TCP/IP utility gives you the following output? Interface: 192.168.4.101 on Interface 0x3 Internet Address Physical Address Type 192.168.1.23 00-d1-b6-b7-c2-af dynamic arp tracert nslookup ipconfig
arp
Which of the following tools would you use to view the MAC addresses associated with IP addresses that the local workstation has contacted recently? netstat nbtstat arping arp
arp
Consider the following output. ;; res options: init recurs defnam dnsrch ;;got answer: ;;->>HEADER<<-opcode:QUERY, status; NOERROR,id:4 ;;flags: qr rd ra; QUERY:1, ANSWER:1, AUTHORITY:2, ADDITIONAL:0 ;;QUERY SECTION: ;; westsim111.com, type = A, class = IN ;;ANSWER SECTION: westsim111.com. 7h33m IN A 76.141.43.129 ;;AUTHORITY SECTION: westsim111.com. 7h33m IN NS dns1.deriatct111.com. westsim111.com. 7h33m IN NS dns2.deriatct222.com. ;;Total query time: 78 msec ;;FROM: localhost.localdomain to SERVER: default -- 202.64.49.150 ;;WHEN: Tue Feb 16 23:21:24 2005;;MSG SIZE sent: 30 rcvd: 103 Which of the following utilities produced this output? ping nbtstat nslookup dig
dig
You are troubleshooting a network connectivity issue on a Unix system. You're able to connect to remote systems by using their IP address, but you're unable to connect using the hostname. You check the TCP/IP configuration and notice that a DNS server IP address is configured. You decide to run some manual resolution queries to ensure that the communication between the Unix system and the DNS server are working correctly. Which utilities can you use to do this? (Select two.) tracert nslookup arp dig traceroute
dig nslookup
You are using Linux and need to perform a reverse lookup of the IP address 10.0.0.3. Which command would you use to accomplish this? arp 10.0.0.3 dig -x 10.0.0.3 nbtstat -a 10.0.0.3 nslookup 10.0.0.3
dig -x 10.0.0.3
You need to configure a Cisco RFC 1542-compliant router to forward any received DHCP frames to the appropriate subnet. The remote DHCP server's address is 172.16.30.1. Which of the following commands would you use to configure the router? ip helper-address 172.16.30.1 host 172.16.30.1 ip address dhcp 172.16.30.1 ifconfig 172.16.30.1
ip helper-address 172.16.30.1
You've been called in to troubleshoot a connectivity problem on a newly installed Windows Server system. The system is operating well and is able to communicate with other systems on the local network. However, it's unable to access any systems on other segments of the corporate network. You suspect that the system's default gateway parameter hasn't been configured or may be configured incorrectly. Which of the following utilities are you MOST likely to use to view the system's default gateway information? netstat tcpdump ipconfig ifconfig
ipconfig
Which of the following commands do you use to clear the local DNS cache? ipconfig /flushdns ipconfig /release nslookup set type=PTR dig -x
ipconfig /flushdns
You are a network technician for a small consulting firm. One of your responsibilities is to manage the intranet site and configuration. You recently had to update the site's IP mapping due to a server upgrade. A user is having an issue with connecting to the intranet site now. When the user attempts to connect through their web browser, they receive a message that the page cannot be displayed. If you type in the IP address, the page loads fine. Which of the following commands should you use to fix this issue? ipconfig /displaydns ipconfig /registerdns ipconfig /release ipconfig /flushdns
ipconfig /flushdns
Which two commands do you use to force a new IP configuration? ipconfig ipconfig /renew ipconfig /release ipconfig /flushdns ipconfig /all
ipconfig /release ipconfig /renew
Examine the following output: Active ConnectionsProto Local Address Foreign Address StateTCP SERVER1:1036 localhost:4832 TIME_WAITTCP SERVER1:4798 localhost:1032 TIME_WAITTCP SERVER1:1258 pool-141-150-16-231.mad.east.ttr:24076 CLOSE_WAITTCP SERVER1:2150 cpe-66-67-225-118.roc.res.rr.com:14100 ESTABLISHEDTCP SERVER1:268 C872c-032.cpe.net.cale.rers.com:46360 ESTABLISHEDTCP SERVER1:2995 ip68-97-96-186.ok.ok.cox.net:23135 ESTABLISHED Which of the following utilities produced this output? dig ifconfig nslookup netstat
netstat
Your computer is sharing information with a remote computer using the TCP/IP protocol. Suddenly, the connection stops working and appears to hang. Which command can you use to check the connection? ipconfig netstat arp ping
netstat
Which TCP/IP utility gives you the following output? netstat netstat -a netstat -s netstat -r
netstat -r
Examine the following output: Server: to.xct.mirrorxhq.net Address: 209.53.4.130 Name: westxsim.com Address: 64.78.193.84 Which of the following utilities produced this output? tracert ipconfig nslookup netstat
nslookup
Mary calls to tell you that she can't connect to an intranet server called WebSrv1. From her computer, you ping the server's IP address. The ping test is successful. Which tool would you use on her workstation next to troubleshoot the problem? arp tracert netstat nslookup
nslookup
Examine the following output: Reply from 64.78.193.84: bytes=32 time=86ms TTL=115 Reply from 64.78.193.84: bytes=32 time=43ms TTL=115 Reply from 64.78.193.84: bytes=32 time=44ms TTL=115 Reply from 64.78.193.84: bytes=32 time=47ms TTL=115 Reply from 64.78.193.84: bytes=32 time=44ms TTL=115 Reply from 64.78.193.84: bytes=32 time=44ms TTL=115 Reply from 64.78.193.84: bytes=32 time=73ms TTL=115 Reply from 64.78.193.84: bytes=32 time=46ms TTL=115 Which of the following utilities produced this output? nslookup ifconfig tracert ping
ping
Which TCP/IP utility gives you the following output? ifconfig ping ipconfig arp -a
ping
While working on a Linux server, you're unable to connect to your Windows Server system across the internet. You're able to ping the default gateway on your own network, so you suspect that the problem lies outside of the local network. Which utility would you use to track the route a packet takes as it crosses the network? traceroute ipconfig ifconfig tracert
traceroute
Which of the following commands should you use to check the route a packet takes between a workstation and the DNS server? tracert nslookup ping dig
tracert