AWC Test 1 Comment / By fawadtwopointo@gmail.com / August 13, 2025 Welcome to your AWC Test Which OSI layer handles end-to-end delivery of data? Transport Network Session Application None What is the default port number for HTTPS? 80 21 25 443 None Which of the following is not a valid private IP range? 10.0.0.0 – 10.255.255.255 172.16.0.0 – 172.31.255.255 11.0.0.0 – 11.255.255.255 192.168.0.0 – 192.168.255.255 None Which cable type is used for connecting switch to switch without crossover? Straight-through Console Fiber patch cord Crossover None Which protocol translates domain names to IP addresses? FTP DNS HTTP DHCP None In a star topology, the central device is typically a: Firewall Modem Hub or Switch Router None Which type of IP address is assigned by DHCP? Dynamic Reserved Loopback Static None What is the default subnet mask for a Class C network? 255.255.0.0 255.0.0.0 255.255.255.255 255.255.255.0 None The loopback address in IPv4 is: 0.0.0.0 192.0.0.1 127.0.0.1 255.255.255.255 None None Which protocol is used for sending error messages in IP networks? ICMP ARP SNMP FTP None Which command enables a router interface in Cisco IOS? turn on no shutdown interface up enable interface None RIP uses which metric for route calculation? Delay Hop count Bandwidth Cost None Which routing protocol is link-state? EIGRP RIP OSPF BGP None What is the default administrative distance for OSPF? 120 1 90 110 None The main purpose of STP (Spanning Tree Protocol) is to: Speed up routing Balance load Encrypt traffic Prevent loops None Which VLAN ID is the default for Cisco switches? 99 100 1 0 None EtherChannel is used for: Securing traffic Aggregating bandwidth between switches Combining multiple VLANs Extending Wi-Fi range None In Cisco IOS, the command to save the running configuration to startup configuration is: copy running-config startup-config write run save config store config None What is the purpose of VTP in a switched network? Video transmission protocol Virtual terminal protocol for remote login VPN tunneling protocol VLAN trunking protocol for managing VLANs None In IPv6, the address starting with FE80:: is: Global unicast Anycast Link-local Multicast None Which protocol is used to securely transfer files? FTP TFTP SFTP HTTP None A firewall that inspects traffic at multiple OSI layers is called: Packet filter Stateful inspection firewall NAT firewall Proxy firewall None Which encryption type is considered symmetric? ASE RSA ECC DSA None The process of hiding internal IP addresses from the internet is: VLAN Subnetting NAT DNS None Which security protocol is used in WPA3? DES TKIP RC4 AES-GCMP None What is the default port for SSH? 23 21 443 22 None The primary function of IDS (Intrusion Detection System) is to: Encrypt data Detect suspicious activity Block attacks Manage IP addresses None Which type of attack floods a network with requests to make it unavailable? Man-in-the-middle ARP spoofing DoS Phishing None Two-factor authentication is an example of: Multi-factor authentication Password policy Single sign-on Symmetric encryption None Which Cisco feature allows limiting network access based on MAC address? VLAN pruning DHCP snooping Port security NAT None In BGP, what is the default administrative distance for external BGP (eBGP)? 20 90 170 200 None Which OSPF LSA type is generated by ASBRs and advertises external routes? Type 1 Type 3 Type 5 Type 7 None EIGRP uses which algorithm for path calculation? DUAL (Diffusing Update Algorithm) Dijkstra SPF Bellman-Ford Ford-Fulkerson None In MPLS, which label value is reserved for IPv4 Explicit Null Label? 1 3 0 2 None Which feature in Cisco IOS allows automatic failover between two static routes? IP SLA with tracking BFD VRRP HSRP None What is the default hello interval for OSPF on a broadcast network? 5 seconds 40 seconds 10 seconds 30 seconds None In IPv6, which routing protocol supports authentication through IPsec by default? RIPng IS-IS EIGRP for IPv6 OSPFv3 None In spanning tree, what is the bridge ID composed of? Priority + MAC address MAC address only MAC address + VLAN ID Priority + VLAN ID None Which STP version supports rapid convergence and backward compatibility? RSTP (802.1w) PVST+ MSTP CST None In VXLAN, which protocol is typically used for control-plane learning? RIP BGP EVPN OSPF IS-IS None Which SNMP version first introduced message integrity and authentication? V2 v2c v3 v1 None In a Cisco ASA, which security level is assigned to the “outside” interface by default? 100 0 1 50 None In IPsec, which mode encrypts only the payload of the IP packet? Direct mode GRE mode Transport mode Tunnel mode None TACACS+ operates over which transport protocol and port? TCP/1812 UDP/1813 UDP/49 TCP/49 None Which hashing algorithm is used in HMAC-SHA256? SHA-2 MD5 SHA-1 SHA-3 None Which security attack targets the ARP cache of a device? MAC flooding Session hijacking ARP poisoning DNS spoofing None None In Cisco ASA, which feature allows for multiple security policies on different virtual firewalls within a single device? Contexts Security zones VRFs Profiles None Which NetFlow version first introduced IPv6 support? v9 v7 v5 IPFIX None Which feature allows a switch to mitigate DHCP spoofing attacks? DHCP Snooping Dynamic ARP Inspection IP Source Guard Port security None Which IPv6 address type is not routable and used for neighbor discovery only? Anycast Link-local Unique-local Multicast None Which ICMPv6 message type is used for Router Advertisement? 133 135 136 134 None In multicast, which protocol is used to dynamically join and leave multicast groups? PIM-SM MSDP IGMP MLD None In PIM Sparse Mode, what is the role of the Rendezvous Point (RP)? Multicast packet filter Default gateway for multicast Root router for the shortest path tree Initial join point for multicast sources and receivers None Which TCP flag combination is used to initiate a connection? SYN SYN-ACK ACK FIN None In QoS, which scheduling method ensures minimum bandwidth to each class but allows unused bandwidth to be shared? WFQ (Weighted Fair Queuing) Priority Queuing LLQ (Low Latency Queuing) CBWFQ None Which command on Cisco IOS verifies OSPF neighbor relationships? show ip ospf neighbor show ospf neighbor show ospf status show ip route ospf None A TCP session that is half-open typically results from which type of attack? Smurf attack SYN flood Slowloris Ping of death None Which MPLS component assigns and distributes labels to LSRs? MP-BGP LDP LER RSVP-TE None In BGP, which path attribute is preferred first when multiple routes exist? Weight AS Path length Local Preference MED None In OSPF, the router ID is chosen based on: Lowest IP address on an active interface Highest IP address on a loopback interface Manually configured value only Lowest MAC address None Which BGP attribute is used first in the best path selection process? MED Weight AS Path Length Local Preference None Which IEEE standard defines link aggregation? 802.3ad 802.1Q 802.1X 802.1D None What is the main advantage of using EIGRP over OSPF? It’s a link-state protocol Faster convergence and supports unequal-cost load balancing No need for IP addressing Uses less CPU None Which of the following is a multicast IPv6 address? ::1 FE80::1 2001::1 FF02::1 None The function of BGP’s "AS Path" attribute is to: Prevent loops by listing traversed AS numbers Define next-hop IP Encrypt data in transit Control bandwidth usage None In MPLS, labels are assigned by: Both LER and LSR LSR only LER only The ISP manually None Which protocol is used by VoIP for call control signaling? H.323 Both b and c SIP RTP None What is the primary purpose of VRRP? Load balancing over WAN Default gateway redundancy Speed up STP VLAN routing None In IPv6, which mechanism allows IPv4-only hosts to communicate with IPv6 hosts? DHCPv6 NAT64 SLAAC ICMPv6 None What is the MTU size for a standard Ethernet frame (without jumbo frames)? 1522 bytes 1518 bytes 1500 bytes 1492 bytes None Which technology reduces routing table size in BGP? Route aggregation Confederations All of the above Route reflection None In Cisco devices, what does the command ip cef enable? Centralized Encryption Framework Control Edge Filtering Cisco Express Forwarding Class-based QoS None Which of the following is NOT a benefit of SDN? Programmable networks Fixed configuration per device Hardware independence Centralized control None 1 out of 1 Time's upTime is Up!
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