Cisco Certified Network Associate (CCNA) 1 v7.0 Practice Test

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• What is the primary purpose of Spanning Tree Protocol (STP) in networking?
• What is the primary responsibility of the Network Layer in the OSI model?
• What is the main purpose of ICMP?
• Which of the following is a function of a switch in a network?
• What happens when the command transport input ssh is entered on the switch vty lines?
• Which layer of the OSI model is responsible for error detection and correction?
• What command must be entered to configure an interface on a Cisco router?
• Which of the following describes the main role of NAT?
• A client packet is received by a server. The packet has a destination port number of 110. What service is the client requesting?
• What is the main advantage of fiber optic cables compared to copper cables?
• A company uses the address block of 128.107.0.0/16. What subnet mask provides maximum equal size subnets?
• What is the role of a default gateway in a network?
• In networking terms, what does "throttling" mean?
• What does the show running-config command reveal about a router or switch?
• What is one common cause of signal degradation in UTP cabling?
• What should network engineers check if users experience delays in authentication and resource access?
• In which scenario would a router be used in a network?
• What is one benefit of using an open standard protocol?
• What happens when a router is configured with the ipv6 unicast-routing command?
• In networking, what is a subnet mask used for?
• How can network traffic flow patterns be accurately assessed?
• What characteristic describes identity theft?
• What is the fastest way for a network administrator to test if a banner message is properly configured on a Cisco device?
• What happens if an ARP request does not receive a response?
• In IPv4 addressing, which of the following ranges is classified as private?
• Which two statements are correct about MAC and IP addresses during data transmission if NAT is not involved?
• What does QoS stand for in the context of networking?
• What service does FTP provide?
• Which tool is commonly used for capturing and analyzing network packets?
• What device is typically used to connect multiple computers within the same network segment?
• What are two functions provided by the network layer?
• What type of address does a switch primarily use to forward frames within a network?
• What is the primary function of a switch in a network?
• Which type of security threat is characterized by a spreadsheet add-on that disables the local software firewall?
• What does the show startup-config command reveal?
• What does DHCP stand for in networking?
• What type of topology is characterized by each device being connected to a central hub?
• If a technician can ping a web server's IP address but not its URL, which software utility can diagnose the issue?
• What is an advantage of adopting IMAP instead of POP for small organizations?
• Which of the following is NOT a benefit of using a VLAN?
• Which protocol is commonly used for email transmission?
• What is one advantage of using redundancy in network connections?
• Which two traffic types use the Real-Time Transport Protocol (RTP)?
• A network administrator notices that some newly installed Ethernet cabling is carrying corrupt and distorted data signals. Which two factors may interfere with the copper cabling?
• What does CSMA/CD stand for in the context of Ethernet networks?
• What service does POP3 provide in relation to email management?
• Which command would you use to display the current routing table on a Cisco router?
• In networking, what does QoS refer to?
• How can a network administrator restrict access to unauthorized devices?
• What subnet mask is required for an IPv4 network that needs to accommodate 40 devices without wasting address space?
• For which service are ports 80 and 443 commonly used?
• What is a primary function of the Network layer in the OSI model?
• Which protocol is commonly used for addressing resolution in local area networks?
• Which two functions does the MAC sublayer perform to facilitate Ethernet communication?
• What are the three parts of an IPv6 global unicast address?
• When adding a new LAN that must support 4 devices, what is the smallest network mask a network administrator can use?
• What must a client do after generating an IPv6 address using SLAAC before using it on the network?
• How is an IPv6 address structured?
• Which statement accurately describes the relationship between Ethernet types?
• What is a broadcast domain?
• How many bits are contained in an IPv6 address?
• Which of the following is an example of an application layer protocol?
• What are two characteristics shared by TCP and UDP?
• In the context of data transmission, which statements correctly describe the functions of TCP or UDP?
• During encapsulation of an HTTP request, what is added to the address field of a frame?
• Which method is effective for preventing unauthorized access to a network?
• Which protocol is used to send email messages?
• What is the primary purpose of the TCP sliding window?
• What is the target of an IPv6 data packet sent to the address FF02::2?
• Which characteristic defines a static IP address?
• A client packet with a destination port number of 69 is requesting which service?
• What is the key difference between TCP and UDP?
• What does it mean if a network connection is described as 'half-duplex'?
• Which of the following ICMPv6 messages is NOT present in ICMP for IPv4?
• Which statement about deploying NAT for IPv4 is accurate?
• What protocol is primarily utilized for automatic IP address assignment?
• A network administrator is adding a new LAN to a branch office. What is the smallest network mask that can support 90 connected devices?
• What field is created by a source node to ensure data integrity during transmission?
• What is the primary role of a router in a network?
• What type of attack is characterized by an employee using networking tools to gather information for hacking?
• What is one primary use of a default static route in a router?
• Which type of VPN offers secure access over public networks?
• Which two pieces of information are displayed in the output of the show ip interface brief command?
• What is the primary purpose of port security on a switch?
• In an IPv4/IPv6 comparison, which statement is accurate regarding header efficiency?
• Which activity is a function of the transport layer in networking?
• Which of the following is an example of a link layer protocol?
• Which of the following are commonly followed standards for cabling construction and installation?
• What does the 'ipconfig' command do in Windows systems?
• What distinguishes a public IP address from a private IP address?
• What mechanism do routers use to prevent IPv4 packets from circulating endlessly in a network?
• What information does the command 'show interfaces' provide on a Cisco device?
• What is Layer 3 of the OSI model primarily associated with?
• What would be the interface ID of an IPv6 enabled interface with a MAC address of 1C-6F-65-C2-BD-F8 when the interface ID is generated by using the EUI-64 process?
• Which subnet includes the address 192.168.1.96 as a usable host address?
• Which two functions does the MAC sublayer perform at the OSI Data Link Layer for Ethernet communication?
• What role does the data link layer play in networking?
• What does the acronym "BGP" represent in networking?
• For a new LAN in a branch office supporting 200 devices, what is the smallest network mask that can be used?
• In networking context, what does the term latency refer to?
• What does the term "attenuation" refer to in the context of data communication?
• Which type of server relies on record types such as A, NS, AAAA, and MX in order to provide services?
• Which OSI layer is responsible for establishing, managing, and terminating connections between applications?
• Which two commands can be used on a Windows host to display the routing table?
• What service is provided by Internet Messenger?
• A network administrator is adding a new LAN to a branch office. What is the smallest network mask that can support 10 connected devices?
• Which device operates at Layer 3 of the OSI model?
• Which wireless technology is popular in home automation applications due to low-power and data rate requirements?
• Which of the following is a common characteristic of TCP?
• Identify the subnet ID for the IPv6 address 2001:DA48:FC5:A4:3D1B::1/64.
• What is one main characteristic of the data link layer?
• What are the three requirements defined by protocols for message transmission across a network?
• A user executing a tracert to a remote device would cease the forwarding of a packet at what point?
• What is the benefit of using encryption in data transmission?
• What is the purpose of the command 'traceroute'?
• Which protocol allows for secure access to a remote device?
• What layer of the OSI model is responsible for ensuring reliable delivery of data?
• Which command is commonly used to test connectivity to a specific IP address?
• What type of malware could be introduced by downloading non-approved software, leading to network performance issues?
• In which layer of the OSI model would you find the MAC address?
• Which scenario describes a situation where a baseline is crucial for network analysis?
• What is a key advantage of using NAT in a network?
• How does a firewall contribute to network security?
• What is the primary role of the default gateway in a network?
• What attribute of a NIC places it at the data link layer of the OSI model?
• What configuration values must be set on a host for successful access to a URL such as http://www.cisco.com/?
• Which of the following is a characteristic of Ethernet communication over fiber?
• Why is it important to have MAC address mappings in the ARP cache?
• What service does HTTP provide?
• What is the purpose of a DHCP server?
• During packet forwarding, what does it mean to switch a packet to a directly connected interface?
• What does a VLAN stand for?
• Which switching method is responsible for dropping frames that fail the FCS check?
• Which two statements describe features of an IPv4 routing table on a router?
• What action does a router take immediately after matching a destination IP address to a connected routing table entry?
• What problem can arise from a high volume of ARP request and reply messages?
• What is the maximum number of usable addresses in a subnet with a mask of 255.255.255.224?
• What does NAT stand for, which is commonly used in networking?
• What is a common characteristic of hub-based networks?
• Which layer of the OSI model does the IP protocol operate on?
• What does the TCP layer use to establish reliable communication?
• What is the main function of the Application layer in the OSI model?
• How are the terms "foo" and "bar" generally used in networking?
• What is a benefit of using VLANs in a network?
• What type of network device operates at Layer 2 of the OSI model?
• What technique is effective in UTP cabling to minimize signal interference?
• A client packet is received by a server. The packet has a destination port number of 67. What service is the client requesting?
• What is the purpose of a subnet mask in networking?
• What effect does improper termination have on network performance?
• Which OSI model layers map to the application layer of the TCP/IP model?
• What utility would help you determine DNS configuration issues on a Windows PC?
• What is the primary function of repeaters in a network?
• What are proprietary protocols?
• What command can be used on a Windows PC to see the IP configuration of that computer?
• What two ICMPv6 message types must be permitted through IPv6 access control lists to allow resolution of Layer 3 addresses to Layer 2 MAC addresses?
• Which range of link-local addresses can be assigned to an IPv6-enabled interface?
• Which statement is true about data forwarding in a switch?
• What are the two most effective ways to defend against malware?
• What does the encapsulation process involve in networking?
• What do the 802.11 standards define in networking?
• In comparing IPv4 and IPv6 packet headers, which two statements are true?
• What is an example of a Class B IP address range?
• What does NAT stand for in networking?
• A group of Windows PCs can access local network resources but not the Internet. Which three commands should a technician use to troubleshoot?
• What are three characteristics of the CSMA/CD process?
• How can VLANs enhance network performance?
• A client packet is received by a server with a destination port number of 21. What service is the client requesting?
• What does the command ip default-gateway 172.16.100.1 accomplish when applied to a switch?
• What is the main benefit of using VLANs in a network?
• Which device is primarily used to connect multiple devices within the same local area network (LAN)?
• Which characteristic defines spyware?
• When assessing network traffic, what is an important consideration for obtaining accurate data?
• What is the maximum length of an Ethernet frame?
• What is the primary function of a router in a network?
• What is the primary purpose of using SSH for remote CLI access to devices?
• Which method is utilized to manage contention-based access on a wireless network?
• What is the role of an access point (AP) in a wireless network?
• Which two protocols are located at the top layer of the TCP/IP protocol suite?
• What does the term "bandwidth" refer to in a computer network?
• What kind of addressing does the Network Layer primarily use?
• What is the primary function of the Data Link layer?
• A wired laser printer is attached to a home computer. That printer has been shared so that other computers on the home network can also use the printer. What networking model is in use?
• In the AAA framework, which component is responsible for regulating user permissions?
• In the OSI model, which layer is responsible for ensuring data integrity?
• Which protocol is more suitable for real-time applications, TCP or UDP?
• Which protocol is primarily used for email services?
• Why is it important to regularly update router firmware?
• Which layer of the OSI model does the MAC sublayer belong to?
• What tool should a technician use with administrator privileges to investigate slow loading of an external web page?
• Why would a Layer 2 switch need an IP address?
• What subnet mask would allow three subnetworks under specified device counts?
• Which concept ensures that an employee's connection maintains quality during a video conference despite failures?
• In Ethernet networking, what does "integrating Layer 2 flows" primarily address?
• What service is indicated by a client packet with a destination port number of 80?
• What are the possible values for a single hexadecimal digit?
• What does DHCP stand for in networking terms?
• What subnet mask should a network administrator use for a site with 22 IP phones, 20 PCs, 2 printers, and 2 scanners?
• Which characteristic describes antispyware software?
• Which layer of the OSI model is responsible for packet forwarding?
• What does ARP stand for, and what is its function in networking?
• What is the purpose of the OSI model in networking?
• Which factor is a consideration when implementing fiber optic cabling compared to copper cabling?
• What is the purpose of a default gateway in a network?
• What defines the characteristic of antivirus software?
• What transmission protocol is suitable for applications that require fast data transfer and can tolerate some data loss?
• Which two security solutions are primarily used in corporate environments?
• What is the primary role of a router in a network?
• In what scenario does a device respond with an ARP reply?
• What service is provided by DNS?
• Which component of networking does not provide guaranteed delivery?
• A client packet is received by a server with a destination port number of 143. What service is the client requesting?
• What does the acronym IP stand for in relation to networking?
• Which protocol operates at the application layer for transferring files?
• Which layer of the TCP/IP model is responsible for providing a route to forward messages through an internetwork?
• When designing a new wireless network, which aspect is NOT a concern to consider?
• What technology helps prevent data collisions in a network?
• What primary function does the Data Link Layer serve in the OSI model?
• Which tool is typically used to verify the operational status of an IP address?
• When a switch configuration includes a user-defined error threshold on a per-port basis, to which switching method will the switch revert when the error threshold is reached?
• When describing an IPv4 address, which characteristic is accurate?
• An organization is assigned an IPv6 address block of 2001:db8:0:ca00::/56. How many subnets can be created without using bits in the interface ID space?
• Which device operates at the data link layer of the OSI model?
• What information does the command 'show version' provide on a Cisco device?
• In which scenario would a device utilize CSMA/CD?
• Which of the following is a characteristic of IP?
• After a successful ARP request, what piece of information does the requesting host acquire?
• An IPv4 address is represented in binary as:
• When an ARP request is broadcasted, what impact does it have on the network?
• What is the purpose of the Hop Limit field in IPv6?
• When implementing QoS on a corporate network, what will be the priorities from highest to lowest for financial transactions, audio conferences, and web pages?
• What does SLAAC stand for in the context of IPv6 addressing?
• What is the role of the Domain Name System (DNS) in networking?
• When a host initiates an ARP request, who is it trying to identify?
• How does the service password-encryption command enhance password security?
• What additional configuration steps are required for SSH on router R1 after defining a local user account with a secret password?
• Which layer of the OSI model is responsible for establishing, managing, and terminating connections?
• Which addressing mode allows both IPv4 and IPv6 protocols to coexist?
• What type of routing protocol is RIP classified as?
• What are two primary responsibilities of the Ethernet MAC sublayer?
• What is the main difference between a hub and a switch?
• Before issuing a command, what mode must an administrator enter on a switch?
• At which layer of the OSI model does the TCP protocol operate?
• What is the result of an incorrectly configured default gateway on a host?
• What protocol is commonly used for secure network communications?
• What occurs when a host does not have the MAC address but has the IP address of a destination device?
• Which two functions does the LLC sublayer of the OSI Data Link Layer perform for Ethernet communication?
• Which access method should a network administrator choose to maintain privacy of user ID and session contents when managing a switch remotely?
• Which characteristic identifies a VPN?
• What characteristic describes a virus?
• Which type of cabling is typically used for long-distance data transmission?
• What function does Network Address Translation (NAT) serve?
• Which technology allows devices to communicate over short distances using radio waves?
• What action does a host take when it needs to send a packet to a device on a remote LAN with no ARP cache mappings?
• Which value, contained in an IPv4 header field, is decremented by each router that receives a packet?
• A ping to the default gateway fails, while a ping to an outside host is successful. What is a likely cause for this?