CCST – Networking 100-150 Practice Test 1

CCST Networking Practice Test 1

Cisco Certified Support Technician (CCST) – Networking Practice Test

1 / 90

What command would be used to configure a router's interface with an IP address of 192.168.1.1 and subnet mask of 255.255.255.0?

2 / 90

Which type of routing algorithm is used by OSPF?

3 / 90

A network technician is tasked with troubleshooting a connectivity issue where two devices cannot communicate on a network. Which command should be used to check whether the devices can reach each other?

4 / 90

What is the main function of an Access Control List (ACL) on a router or switch?

5 / 90

Which type of cable is most commonly used for connecting computers and network devices to switches in a local area network (LAN)?

6 / 90

What is the purpose of a DNS server in a network?

7 / 90

A network administrator needs to assign static IP addresses to devices in a subnet. Which command would be used on a Cisco router to create an address pool for a network?

8 / 90

What is the function of the STP (Spanning Tree Protocol)?

9 / 90

What does the command show ip arp display on a Cisco device?

10 / 90

A company has a network that uses the 192.168.1.0/24 subnet. What is the first usable IP address in this subnet?

Correct Answer: 192.168.1.1
Explanation: The first usable IP address in the 192.168.1.0/24 network is 192.168.1.1, with 192.168.1.0 being the network address and 192.168.1.255 being the broadcast address.

11 / 90

What is the typical use of a subnet mask in networking?

12 / 90

What is the primary purpose of a router in a network?

13 / 90

In which scenario would a network technician most likely use a crossover cable?

14 / 90

Which protocol is used to dynamically assign IP addresses to devices on a network?

15 / 90

What is the purpose of VLAN tagging?

16 / 90

A router has been configured with a default route to send traffic to the internet. The default route points to the IP address 192.168.1.1. Which of the following shows the proper syntax to configure the default route?

17 / 90

Which command on a Cisco router would you use to view the current routing table?

18 / 90

A network technician is troubleshooting a switch that is not forwarding packets between devices. What is the first thing they should check?

19 / 90

Which layer of the OSI model is responsible for routing data packets between different networks?

20 / 90

A network technician needs to verify that a router is properly configured with an IP address. Which command can be used to display the router’s IP configuration?

21 / 90

Which OSI layer is responsible for establishing, managing, and terminating sessions between two communicating applications?

22 / 90

Which TCP/IP model layer corresponds to the OSI model's Physical and Data Link layers combined?

23 / 90

Which network type spans a large geographic area, potentially connecting multiple cities or countries?

24 / 90

Which cloud service model provides a managed platform for developers to build and deploy applications, without managing the underlying operating system?

25 / 90

Which basic networking term describes a single, complete unit of data transmitted at the Transport layer, associated with TCP?

26 / 90

Which basic networking concept describes the variation in delay between packets arriving at their destination?

27 / 90

Which basic networking concept describes the gradual weakening of a signal as it travels over a distance through a transmission medium?

28 / 90

Which transmission mode allows data to be sent and received simultaneously in both directions at the same time?

29 / 90

Which network transmission method sends data from a single source to a specific group of interested destinations?

30 / 90

Which cloud computing service model provides a complete, ready-to-use application delivered over the internet, requiring no local installation?

31 / 90

Which basic networking term describes a device's unique, hardware-assigned physical address, permanently built into its network adapter?

32 / 90

Which port number is commonly associated with unencrypted HTTP web traffic?

33 / 90

Which port number is commonly associated with SSH (Secure Shell), used for secure remote command-line access?

34 / 90

Which cloud deployment model involves resources being shared among multiple organizations with common interests, but not the general public?

35 / 90

Which network device's primary function is to forward packets between different networks, using IP addresses to determine the best path?

36 / 90

Which network device connects multiple devices within the same local network, forwarding frames based on MAC address?

37 / 90

Which device converts digital signals from a computer network into a format suitable for transmission over a specific ISP connection type, such as cable or DSL?

38 / 90

Which network device is specifically designed to provide wireless connectivity to client devices, bridging them to a wired network?

39 / 90

Which basic hardware component allows a computer to physically connect to a network, whether via a wired Ethernet cable or wirelessly?

40 / 90

Which type of server is specifically responsible for automatically assigning IP addresses and other network configuration information to client devices?

41 / 90

Which type of server is specifically responsible for resolving domain names into IP addresses for client devices?

42 / 90

Which basic switch feature would prevent a network loop from forming when redundant physical links exist between switches?

43 / 90

Which basic switch feature allows a switch to supply electrical power to connected devices, such as IP phones, over the same cable used for data?

44 / 90

Which type of cable uses light pulses to transmit data and is immune to electromagnetic interference?

45 / 90

Which wireless networking standard, commonly referred to as Wi-Fi 6, offers improved efficiency for many simultaneously connected devices?

46 / 90

Which basic wireless networking term describes the unique name broadcast by a wireless access point, allowing client devices to identify a specific network?

47 / 90

Which basic wireless antenna technology uses multiple antennas at both transmitter and receiver to improve throughput and range?

48 / 90

Which type of connector is commonly used to terminate twisted-pair Ethernet cables?

49 / 90

Which basic router configuration concept describes the default path a router uses to send traffic when it does not have a more specific route to a destination?

50 / 90

Which basic router security feature allows an administrator to permit or deny specific traffic based on criteria such as source IP address and port?

51 / 90

Which network device operates at Layer 2 and connects two network segments, filtering traffic between them based on MAC address?

52 / 90

Which device provides the point of interface between a local network and an external network using a different protocol suite?

53 / 90

How many total bits make up a standard IPv4 address?

54 / 90

How many total bits make up a standard IPv6 address?

55 / 90

Which IPv4 address is reserved as the loopback address, used by a device to test its own network stack?

56 / 90

Which IPv4 address range is reserved for Automatic Private IP Addressing (APIPA)?

57 / 90

Which type of NAT allows multiple internal private IP addresses to share a single public IP address simultaneously, using port numbers?

58 / 90

An administrator needs to subnet a /24 network to create at least 4 subnets, maximizing usable hosts per subnet. Which subnet mask should be used?

59 / 90

Which DHCP process step involves the client broadcasting a request to locate any available DHCP servers on the network?

60 / 90

Which basic IPv6 address type is used only for communication within the local network segment, never routed beyond it?

61 / 90

Which term describes the process of dividing a single large network into multiple smaller, more manageable subnetworks?

62 / 90

How many usable host addresses are provided by a subnet with a /28 CIDR notation?

63 / 90

Which private IPv4 address range, defined in RFC 1918, provides the largest number of usable host addresses?

64 / 90

Which basic concept describes the specific IP address a host uses to send traffic destined for a network other than its own?

65 / 90

Which basic concept describes the total range of IP addresses that a DHCP server is configured to potentially assign to clients?

66 / 90

Which term describes the process of a DHCP relay agent forwarding DHCP broadcast requests from one network segment to a DHCP server on a different segment?

67 / 90

Which IPv6 address type is the equivalent of a public, globally routable IPv4 address?

68 / 90

Which basic IPv6 notation technique allows consecutive groups of all-zero hextets to be abbreviated using a double colon (::)?

69 / 90

Which subnetting technique allows different subnets within the same major network to have different sizes, based on host count requirements?

70 / 90

Which basic concept describes reserving a specific IP address within a DHCP scope for a particular device's MAC address, so it always receives the same address?

71 / 90

Which fundamental security concept refers to restricting access to information so only authorized individuals can view it?

72 / 90

Which type of malicious software self-replicates and spreads across a network without requiring a host file or user interaction?

73 / 90

Which type of network attack involves overwhelming a target system with excessive traffic, making it unavailable to legitimate users?

74 / 90

Which type of social engineering attack involves an attacker following an authorized person through a secured door without providing their own credentials?

75 / 90

Which basic wireless security practice restricts network access based on a device's unique hardware address?

76 / 90

Which basic security practice involves creating separate, isolated network segments to limit the potential impact of a security breach?

77 / 90

Which basic authentication concept requires a user to provide two or more different types of verification factors before granting access?

78 / 90

Which basic firewall type filters traffic based on predetermined rules examining source/destination IP address, port, and protocol, without inspecting packet content?

79 / 90

Which basic security principle states that a user or device should be granted only the minimum access necessary to perform their required function?

80 / 90

Which type of attack involves an attacker positioning themselves between two communicating parties to intercept their communication?

81 / 90

Which command-line tool would display the local ARP cache, showing recently resolved IP-to-MAC address mappings?

82 / 90

Which basic troubleshooting tool would show the sequence of routers (hops) a packet travels through to reach a destination?

83 / 90

A user reports intermittent Wi-Fi connectivity that worsens when they move to a back room farthest from the router. What is a reasonable troubleshooting suggestion?

84 / 90

A technician confirms a user's computer has no valid IP address, showing an APIPA (169.254.x.x) address. What server is most likely not being reached?

85 / 90

Which basic troubleshooting methodology step involves forming an educated guess about what is likely causing an identified problem?

86 / 90

Which basic troubleshooting practice involves changing only one variable at a time so the effect of each change can be clearly observed?

87 / 90

A user can access resources on the local network but cannot access anything on the internet, though the default gateway is confirmed reachable. What should be checked next?

88 / 90

Which command would display detailed TCP/IP configuration on a Windows computer, including the MAC address and DNS servers?

89 / 90

Which command would release a computer's current DHCP-assigned IP address, as the first step before requesting a new one?

90 / 90

A technician suspects a network cable is physically damaged internally, though it appears fine externally. Which tool would be most appropriate for testing this?

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