DHCP dynamically assigns what necessary network settings?

IP address, subnet mask, and default gateway

Three ways VLANS communicate with one another

Router interfaces, Router-on-a-stick, Layer 3 switch

What must be configured on a Layer 3 switch for routing to work per VLAN?

A switched virtual interface (SVI)

What happens when a switch sends frames out a trunk port?

It adds a tag to identify the VLAN.

What do DNS servers primarily contain?

Databases of IP addresses & website names

What is a drawback of the router on a stick method?

Increased risk of link congestion

What is the role of Root nameservers in DNS resolution?

First step in translating domain names

Which lists three categories of network security?

Physical, Technical, Administrative

What is the primary function of the Domain Name System (DNS)?

To translate domain names into IP addresses

Which DNS server hosts the last portion of a hostname (e.g., "com")?

Top Level Domain (TLD) nameservers

Which lists all the common types of VLANs?

Default, Data, Native, Management

Sub-interfaces on a router are similar to trunk ports on a switch because both allow what?

Traffic from multiple VLANs to pass

What serves as the termination point and gateway for a VLAN on a Layer 3 switch?

A Switched Virtual Interface (SVI)

What is the primary purpose of DHCP?

To automate IP address assignment

What process translates private IP addresses to public for internet access?

Network Address Translation (NAT)

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5979 chap 3

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Questions 78

Answers

1
DHCP dynamically assigns what necessary network settings?
Domain name, server type, and DNS record
MAC address, port number, and VLAN ID
User login, password, and security key
IP address, subnet mask, and default gateway
2
How do switches identify which VLAN traffic belongs to?
VLAN tagging
MAC filtering
Port forwarding
IP routing
3
Three ways VLANS communicate with one another
Hubs, Bridges, Repeaters
Router interfaces, Router-on-a-stick, Layer 3 switch
Access ports, Trunk ports, Default VLAN
DNS servers, DHCP servers, Web servers
4
Router on a stick revolves around the use of what?
Management VLANs
Access lists
Physical ports
Sub-interfaces
5
Which device acts as a switch-router hybrid with built-in routing?
Network Hub
Layer 2 Switch
Layer 3 Switch
Access Point
6
Which type of ACL requires deleting the entire list to remove a single rule?
Named ACLs
Numbered ACLs
Dynamic ACLs
Standard ACLs
7
What type of address is a default gateway always?
A MAC address
An IP address
A subnet mask
A port number
8
What are common authoritative time sources for an NTP network?
Network routers
Atomic or GPS clocks
Satellite or Space clocks
Nuclear or Multilayer clocks
9
What must be configured on a Layer 3 switch for routing to work per VLAN?
A separate routing protocol
A switched virtual interface (SVI)
An access control list (ACL)
A dedicated physical port
10
What happens when a switch sends frames out a trunk port?
It adds a tag to identify the VLAN.
It encrypts the frame for security.
It converts the frame to an IP packet.
It removes all existing tags.
11
By default, all switch ports are members of which VLAN?
VLAN 1
VLAN 0
VLAN 10
VLAN 100
12
A benefit of VLANs is improved what?
Hardware upgrades
Software compatibility
Network performance
Internet speed limits
13
What do DNS servers primarily contain?
Network traffic logs
User login credentials
Security firewall rules
Databases of IP addresses & website names
14
What are the two types of access lists?
Standard & Extended
Basic & Advanced
Simple & Complex
Internal & External
15
VLANs create smaller fault domains by isolating devices into separate what?
Physical segments
Management groups
Security zones
Broadcast domains
16
Which type of VLAN carries all untagged traffic?
Native VLAN
Data VLAN
Management VLAN
Default VLAN
17
Without routing, VLANs don't allow traffic to cross a VLAN _________.
Firewall
Segment
Boundary
Connection
18
What is a drawback of the router on a stick method?
Increased risk of link congestion
Reduced overall network security
Higher power consumption for router
More complex device management
19
Which type of ACL is made using only the source IP and doesn't distinguish traffic types?
Extended access list
Numbered access list
Standard access list
Basic access list
20
Which security type prevents unauthorized physical access to data or network infrastructure?
Logical Security
Administrative Security
Technical Security
Physical Security
21
Where are Extended ACLs typically applied?
Closest to the source
On the VLAN interface
At the network's core
Closest to the destination
22
What is the role of Root nameservers in DNS resolution?
First step in translating domain names
Store all website IP addresses
Perform final translation to clients
Assign IP addresses to clients
23
Which lists three categories of network security?
Hardware, Software, Personnel
Physical, Technical, Administrative
Internal, External, Perimeter
Prevention, Detection, Response
24
Which port type carries traffic from multiple VLANs?
Trunk port
Management port
Access port
Default port
25
Which lists two types of ports for configuring VLANs?
Access & Trunk port
Control & Monitor port
Data & Management port
Client & Server port
26
Standard and extended access lists can have the same name.
False
True
27
Which type of ACL uses source/destination IPs and ports to distinguish traffic types?
Extended access list
Numbered access list
Standard access list
Dynamic access list
28
What is the primary function of the Domain Name System (DNS)?
To translate domain names into IP addresses
To encrypt network traffic.
To manage local network access.
To assign IP addresses automatically.
29
What allows a single physical router interface to be split into multiple virtual interfaces?
A trunk port
A physical cable
A sub-interface
An access port
30
In Static NAT, the public address used to convert a private address is always __________.
Unchanging
Changing
31
What is the final stop in DNS resolution that returns the requested IP address?
DNS Recursor
Root nameserver
TLD nameserver
Authoritative nameserver
32
What does a VLAN reduce?
Cable management
Power consumption
CPU overhead
User authentication
33
Which is a benefit of using a VLAN?
Require more physical cables
Increase network complexity
Eliminate all network errors
Improve security
34
A VLAN helps create smaller what?
Server clusters
Broadcast domains
Physical networks
Fault domains
35
What is comprised of rules that either allow or deny network access?
Domain Name System (DNS)
Virtual Private Network (VPN)
Access Control List (ACL)
Network Address Translation (NAT)
36
Smaller fault domains make which process easier?
Troubleshooting
Cable installation
Network setup
Server cooling
37
Which VLAN type is configured for specific groups of users or devices?
Management VLAN
Default VLAN
Native VLAN
Data VLAN
38
What concept does NTP use to determine how many hops away a machine is from an authoritative time source?
Tier
Hop Count
Stratum
Level
39
Which DNS server hosts the last portion of a hostname (e.g., "com")?
Top Level Domain (TLD) nameservers
Authoritative nameservers
Root nameservers
DNS Recursor
40
Which security type refers to documented policies, procedures, and plans for network protection?
Technical Security
Administrative Security
Physical Security
Strategic Security
41
What does NTP stand for?
Network Time Protocol
Node Tracking Protocol
New Technology Protocol
Network Transfer Protocol
42
Which lists all the common types of VLANs?
Default, Data, Native, Management
Standard, Security, Guest, Public
Voice, Video, Wireless, Backup
User, Server, Control, External
43
Sub-interfaces on a router are similar to trunk ports on a switch because both allow what?
Encrypted data exchange
Automatic IP address assignment
Only traffic from one VLAN to pass
Traffic from multiple VLANs to pass
44
LANs commonly implement a single ____________.
Network interface
Broadcast domain
Data pathway
Packet transfer
45
What serves as the termination point and gateway for a VLAN on a Layer 3 switch?
An access port
A trunk port
A physical interface
A Switched Virtual Interface (SVI)
46
Which NAT type uses the same, unchanging public address?
Standard NAT
Static NAT
Port NAT
Dynamic NAT
47
VLANs improve security by limiting traffic to fewer what?
Network cables
Power sources
Server racks
End devices
48
What is the primary purpose of DHCP?
To encrypt network traffic
To translate domain names to IPs
To automate IP address assignment
To route traffic between networks
49
What process translates private IP addresses to public for internet access?
Dynamic Host Configuration (DHCP)
Network Address Translation (NAT)
Virtual Private Network (VPN)
Domain Name System (DNS)
50
You can apply multiple ACLs of the same type to a single interface in the same direction.
True
False
51
Any action taken to protect the integrity of data and network operations is known as what?
Network Security
Protocol Analysis
System Auditing
Data Integrity
52
Which type of ACL allows for deleting individual rules without removing the entire list?
Named ACLs
Numbered ACLs
Dynamic ACLs
Standard ACLs
53
What type of port typically does not use VLAN tags?
Trunk ports
Access ports
Control ports
Data ports
54
Which type of DNS server receives queries directly from client machines?
Authoritative DNS Server
TLD DNS Server
DNS Recursor
Root DNS Server
55
Which lists the three primary components of a DHCP implementation?
Routers, switches, and firewalls
Servers, clients, and relays
Protocols, ports, and services
Addresses, masks, and gateways
56
The connection through a port from each VLAN into a router describes which method?
Router with separate physical interfaces
Default gateway configuration
Layer 3 switch setup
Router-on-a-stick
57
Which security type protects data in the network and against external intrusions?
Operational Security
Physical Security
Technical Security
Administrative Security
58
Which port type is a member of only one VLAN?
Native port
Default port
Trunk port
Access port
59
DNS can be thought of as a _________ for the Internet.
Phone book
Dictionary
Map
Calculator
60
What are broadcast domains?
A type of network security zone for data encryption.
A network segment where all devices receive every broadcast frame.
A network segment where only specific devices receive broadcast frames.
A physical area where Wi-Fi signals are broadcast.
61
Why is time-synchronization important in some networks?
Provides high-level network encryption
Manages automatic IP address distribution
Controls all data flow across subnet boundaries
Ensures overall function and accuracy
62
How do VLANs reduce CPU overhead on devices?
Adding more network cards
Requiring faster processors
Limiting broadcast frames received
Increasing data packet size
63
Which VLAN type carries network management traffic like SSH?
Native VLAN
Management VLAN
Data VLAN
Default VLAN
64
What are DHCP Clients?
Devices that manage IP address pool
Components that forward DHCP requests
Servers that store network configurations
Hosts that receive network info from a DHCP server
65
What is the function of DHCP Relays?
They forward DHCP messages between servers and clients.
They store all available IP addresses.
They encrypt all DHCP communications.
They assign static IP addresses only.
66
Which NAT method uses port numbers to distinguish traffic from many private IPs?
Static NAT
Protocol Access Table (PAT)
Port Address Translation (PAT)
Dynamic NAT
67
Which NAT type allows multiple private hosts to share from a pool of public addresses?
Dynamic NAT
Overload NAT
Private NAT
Static NAT
68
How do NTP servers distribute time within a network?
Receive from source, then distribute to machines
Manually update each device's clock
Directly use GPS on each device
Encrypt time data before sending
69
VLANs allow a single physical switch to act as two or more logical switches by creating separate what?
Packet networks
Broadcast domains
Service protocols
Hardware interfaces
70
How do VLANs improve network performance?
By increasing cable length
By removing all routers
By adding more power outlets
By creating efficient traffic groups
71
VLANs share the same ________________.
Network protocol
Wireless frequency
Networking device
Broadcast segment
72
What does "Router on a stick" allow on a single router interface?
Only traffic from one VLAN
Direct network cable access
Traffic from multiple VLANs
Secure physical port management
73
What does DHCP stand for?
Digital Home Connection Protocol
Dynamic Host Configuration Protocol
Distributed Host Control Protocol
Domain Hashing Communication Protocol
74
The higher the stratum number in NTP, the _______ the machine is from the authoritative time source.
closer
slower
further
faster
75
What do network services provide within a network?
Power to network devices
Physical network connections
Unique functionality or applications
Security camera footage
76
Which DHCP component is responsible for distributing IP addresses?
DHCP Clients
DHCP Relays
DHCP Servers
77
What mechanism allows different VLANs to communicate with each other?
VLAN tagging
Port forwarding
Inter-VLAN routing
Network bridging
78
Where are Standard ACLs typically applied?
On the physical port
Closest to the source
At the network's edge
Closest to the destination

5979 chap 3 Flashcards | StudBud