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