Font size
WorksheetsU Network Ver 04062021
Total questions: 87
Worksheet time: 3hrs 54mins
Which IPv6 address type is indicated by the first four hex characters of an address ranging from 2000 to 3999?
Globally routable unicast
Anycast
Link-local
Multicast
Identify the Simple Network Management Protocol (SNMP) component that is a piece of software, which runs on a managed device (for example, a server, router, or a switch).
MIB
SNMP agent
SNMP manager
SNMP trap
Which of the following features can fix mismatched Tx/Rx leads on an Ethernet switch?
STP
MDIX
VTP
LACP
Which of the following are Layer 3 redundancy mechanisms?
Each correct answer represents a complete solution. Choose all that apply.
CARP
HSRP
DSCP
LFI
Identify the quality of service (QoS) mechanism that can set a bandwidth limit on traffic and drop packets attempting to exceed that bandwidth limit.
Policing
cRTP
LFI
Traffic shaping
What type of network allows interconnected devices to share their resources with one another but would have issues regarding scalability?
Peer-to-peer
Client-server
Hub and spoke
MPLS
Full mesh
Bus
Star
Partial mesh
What term defines a variation in the delay of packets in the network?
Attenuation
Crosstalk
Latency
Jitter
Which options should be included in a bring-your-own-device policy? Choose 2
Integration between it and the acceptable use policy
Periodic review of DLP policy
Identification of the most sensitive data in the organization
Detailed presentation on the exit policies for employees
Which of the following UNIX commands is primarily used to resolve a fully-qualified domain name (FQDN) to an IP address and can operate in an interactive mode (that is, you enter this command, receive a prompt, and can then give additional commands)?
ifconfig
dig
man
nslookup
Which of the following approaches to wireless LAN (WLAN) security uses RC4 as its encryption algorithm?
WPA
WEP
WPA2
WPA Enterprise
Which of the following network appliances performs the most processor-intensive tasks and is critical in IPSec environments?
Proxy server
Load balancer
VPN concentrator
Content filter
A wireless LAN (WLAN) containing only one access point (AP) is known as what type of WLAN?
ESS
SSID
IBSS
BSS
Given a subnet mask of 255.255.192.0, what is the corresponding prefix notation?
/16
/26
/18
/22
What type of physical security utilizes a fingerprint or facial recognition to verify identity?
Biometrics
Bioidentification
Smart cards
SmartID
What IP traffic type should you use if you want to send out a video stream to 23 of the systems in the marketing department? There are 50 total systems in this department.
Unicast
Multicast
Directed broadcast
Broadcast
Which two of the following virtual private network (VPN) tunneling protocols can be used to provide security for HTTPS?
PPTP
TLS
SSL
L2TP
Which MPLS element is the provider's router that connects to the customer?
PE
P
CE
LSR
Which of the following standards specifies a type of coaxial cable typically used for short distance applications, such as carrying composite video between two nearby devices, and has a characteristic impedance of 75 Ohms?
RG-59
RG-6
MMF
RG-58
What does RIP use for a metric?
Bandwidth
Cost
Hop Count
Delay
What is a routing protocol that is used for moving prefixes back and forth between different autonomous systems?
BGP
IS-IS
RIP
OSPF
What is the best possible value for administrative distance?
255
170
0
1
63
What is the measure of a wireless signal's strength?
Latency
AP
RSSI
RFI
Refer to the exhibit. What command produced the output shown on your Windows workstation?
netstat -a
nbtstat -a
ping -a
arp -a
Which of the following protocols is used for transferring files with a remote host in a non-secure fashion and without requiring user credentials?
SCP
TFTP
SSH
SFTP
What technology is typically used in conjunction with DSL?
Metro Ethernet
HDLC
PPP
PPPoE
Refer to the exhibit. Consider the topology. What needs to be configured on router R1 in order for the DHCP client to successfully send a DHCPDISCOVER message to the DHCP server?
DHCP relay agent
Scope
Reservation
Lease
If you are working on an isolated test network (that is, a test bed), what piece of equipment can you use to simulate a heavy network load?
Cable certifier
Toner probe
Throughput tester
Cable tester
A system on an Ethernet network detects a collision. How does it respond?
The device contacts the machine the collision occurred with.
The device retransmits after waiting for a period dictated by the backoff timer.
The device deletes the frame and creates another for sending.
The device contacts a central mediator on the network.
Which type of fiber optic connector contains two fiber strands in a single connector?
LC
MTRJ
ST
SC
Internet Protocol (IP) resides at what layer of the OSI Model?
Each correct answer represents a complete solution. Choose all that apply.
Layer 4
Transport
Layer 3
Network
Which two of the following are firewall inspection types?
Hardware
Packet filtering
Stateful
Software
What variation of network address translation (NAT) allows you to statically configure the inside global address assigned to a specific device inside your network?
SNAT
Both DNAT and PAT
DNAT
PAT
How big is the payload of an ATM cell?
64 Bytes
48 Bytes
32 Bytes
5 Bytes
You are configuring a wireless access point (AP). You specify a wireless standard of 802.11n operating in the 2.4 GHz band. You also select an option to make it operate in a "backward compatible" mode. Therefore, what additional 802.11 standards are supported?
Each correct answer represents a complete solution. Choose all that apply.
802.11g
802.11b
802.11a
802.11ac
What device is a Layer 2 device that uses MAC address learning to intelligently forward traffic?
WAN link
Switch
Hub
Router
A T3 connection is an example of which WAN type?
Packet switched
Leased line
Circuit switched
Cell switched
You are configuring a wireless LAN (WLAN) with three wireless access points having overlapping coverage areas. The wireless access points are using the 2.4 GHz frequency band and are located in the United States. What three non-overlapping channels in the 2.4 GHz band should you select?
11
6
1
14
15
Which two of the following are true regarding a client-to-site and site-to-site virtual private networks (VPN)?
A site-to-site VPN interconnects two locations, as an alternative to a leased line, at a reduced cost.
A client-to-site VPN interconnects two sites, as an alternative to a leased line, at a reduced cost.
A client-to-site VPN (also known as a remote access VPN) interconnects a remote user with a site, as an alternative to dial-up or ISDN connectivity, at a reduced cost.
A site-to-site VPN (also known as a remote access VPN) interconnects a remote user with a site, as an alternative to dial-up or ISDN connectivity, at a reduced cost.
You have a Layer 2 switch. You have left all ports in the default VLAN. You connect five workstations. How many broadcast domains exist on this switch?
5
0
1
2
A Cisco router has learned a network via three different routing protocols: OSPF, EIGRP, and RIP. Which route will the router believe (that is, inject into the router's IP routing table)?
EIGRP
RIP
A route entry from each routing protocol will be injected into the router's IP routing table, and the router will load-balance across the three routes.
OSPF
If multiple wireless access points exist in a wireless LAN (WLAN), what percentage of coverage overlap should the access points have?
75 percent
10 to 15 percent
20 to 30 percent
Approximately 50 percent
Which of the following is a vulnerability scanner product from Tenable Network Security®?
Nessus
Nmap
Honeynet
Honeypot
What are the three levels of security associated with events appearing in Microsoft Windows® application logs?
Warning
Information
Error
Critical
Which of the following are recommendations for developing a password policy?
Each correct answer represents a complete solution. Choose two.
Ensure uniqueness from previous passwords.
Ensure that passwords do not expire.
Always allow proper names.
Do not allow words to be spelled out completely.
Which QoS mechanism does not reorder packets and simply uses first-in, first-out logic?
Uncontrolled services
Best effort
Integrated services
Differentiated services
What command produced the output shown on your Windows workstation?
ipconfig /all
ipconfig
ipconfig /renew
ipconfig /release
Which of the following security attacks leverages the PORT command?
Smurf attack
FTP bounce attack
DDoS attack
DoS attack
When an organization is developing a site redundancy solution, which option offers recovery but is the most time consuming upon main site failure?
Cold site
Hot site
Beta site
Alpha site
In the topology shown, what is the most likely type of network appliance labeled as "Network Appliance X?"
VPN concentrator
Load balancer
Proxy server
Content engine
Which of the following security threats is a program that appears to be for one purpose (for example, a game), but secretly performs another task (for example, collecting a list of contacts from an end-user's e-mail program)?
Keylogger
Trojan horse
Worm
Virus
What is the name of the protocol used with IPv6 to learn the Layer 2 addresses that exist on the same local network?
DHCP
NAT
ARP
NDP
What command produced the output shown on your Windows workstation?
nbtstat
nslookup
ipconfig
ping
What device is a Layer 3 device that is used to make forwarding decisions based on a Layer 3 address?
Router
Hub
Switch
WAN link
Which type of twisted pair cable has an insulator that is fire retardant and minimizes the emission of dangerous fumes in the event of fire?
UTP
Plenum
HVAC
STP
A corporate e-mail service would be classified as belonging to what Layer of the OSI Model?
Application
Network
Physical
Presentation
While more than one of the following Microsoft Windows® commands can be used to resolve a fully-qualified domain name (FQDN) to an IP address, identify the command whose primary purpose is to resolve a FQDN to an IP address (for example, to determine if a Domain Name System (DNS) record is correct).
nslookup
ping
route
tracert
Which of the following can often be categorized as an encryption device (that is, a device capable of participating in an encrypted session)?
Each correct answer represents a complete solution. Choose all that apply.
Router
Hub
VPN concentrator
Firewall
You have a Layer 2 switch. You have left all ports in the default VLAN. You connect five workstations. How many collision domains exist on this switch?
1
0
5
2
3
Which of the following copper connector types is most commonly used for cable TV connections?
BNC
RJ-45
DB-9
RJ-11
F-connector
What protocol is used to bundle links together in order to improve bandwidth availability and redundancy?
VTP
HDLC
LACP
ARP
An Ethernet switch resides at which layer of the OSI Model?
1
2
3
4
7
Which of the following are sublayers of the Data Link Layer (that is, Layer 2) of the OSI Model?
Each correct answer represents a complete solution. Choose all that apply.
LAPD
LLC
MAC
PPP
Which issue is commonly related to a network device becoming a black hole for traffic?
Incorrect DNS configuration
Duplicate IP addresses
Exhausted DHCP scope
Mismatched MTU
What command produced the output shown on your Windows workstation?
nslookup
nbtstat
ping
ipconfig
Which layer of the OSI Model is concerned with how bits are represented on the medium?
Physical
Data Link
Network
Presentation
What is the bandwidth of a T1 digital circuit?
44.7 Mbps
34.4 Mbps
1.544 Mbps
2.048 Mbps
Which of the following requires two types of authentication (but no more) from a user seeking admission to a network?
SSO
Multifactor authentication
TFA
EAP
Which of the following reflect the media type, bandwidth capacity, and distance limitation combination of 10BASE5 Ethernet?
Coax/10 Mbps/185 m
Cat 3 UTP/10 Mbps/100 m
Cat 5 UTP/100 Mbps/100 m
Coax/10 Mbps/500 m
You are troubleshooting an issue where a PC cannot reach a web server (with a DNS name of pearsonitcertification.com) on the Internet. From the PC you can Ping the IP addresses of devices on your local subnet. You cannot Ping the DNS name of the web server. However, you have previously noted the IP address of the web server's IP address, and you notice that you can Ping the IP address of the web server. Of the following potential troubleshooting issues, what is most likely causing the problem?
Incorrect gateway configuration on the PC
Incorrect subnet mask on the PC
Incorrect (or missing) routes in a router's routing table
Incorrect DNS configuration on the PC
What is the name of the wireless communications protocol used primarily for home automation?
IR
Z-Wave
Ant+
Bluetooth
Which IoT technology is commonly used in remote controls to transmit information using a form of light?
NFC
Ant+
IR
Z-Wave
What is the name of the document that outlines the confidential material, knowledge, or information that agreeing parties cannot communicate to others?
SLC
BYOD
LRK
NDA
Identify the quality of service (QoS) function that alters bits in a frame, cell, or packet.
Marking
Classification
Congestion avoidance
Congestion management
Consider the fully-qualified domain name (FQDN) host1.pearsonitcertification.com; what is the top-level domain in the FQDN?
pearsonitcertification
com
http
host1
Which of the following best defines an IDS sensor?
An IDS sensor defines a set of rules dictating which types of traffic are permitted or denied as that traffic enters or exits a firewall interface.
An IDS sensor scans, audits, and monitors the security infrastructure for signs of attacks in progress.
An IDS sensor enables external clients to access data on private systems without compromising the security of the internal network as a whole.
An IDS sensor secures communication between two sites over an untrusted network.
What is the distance limitation of 100GBASE-ER4?
25 km
10 km
300 m
40 km
Which of the following is a Microsoft Windows® command that displays what Layer 2 MAC address corresponds to a Layer 3 IP address?
netstat
arp
ipconfig
nbtstat
A network administrator can use which of the following to locate a break in a fiber optic cable?
Multimeter
OTDR
TDR
Environmental monitor
Which phase of an incident response plan focuses on the protection of resources and determining operational status?
Contain
Control
Analysis
Prepare
What is the common TCP port (that is, "well-known" port) used by SMTP?
21
22
34
25
13
Consider the network topology. Which (if any) device in the topology has an incorrect IP address? (Assume that if two devices belong to one subnet, and another device belongs to a different subnet, that device (belonging to a different subnet than the other two devices) has an incorrect IP address.)
Client A
All devices have valid IP addresses.
R1
Server 1
The IEEE 802.11n wireless standard has which of the following frequency band / maximum bandwidth parameters?
2.4 GHz or 5 GHz / > 300 Mbps
2.4 GHz / 54 Mbps
2.4 GHz / 11 Mbps
5 GHz / 54 Mbps
What can you add to a network to mitigate a power failure that might otherwise make an Ethernet switch unusable?
MDIX
GBIC
UPS
STP
What technology is an IETF version of HSRP?
PAT
GLBP
NAT
VRRP
In the modern LAN, what type of device is typically used at the center of a star topology?
Firewall
Switch
Hub
Router
Which of the following remote access security technologies is a client-server authentication protocol and uses the concept of a trusted third party (that is, a Key Distribution Center) that hands out tickets that are used instead of a username and password combination?
RADIUS
TACACS+
CHAP
Kerberos
