1 Course Introduction (17.02 MB)
1 Introduction to Networking Technologies (42.32 MB)
2 What is a Computer Network (77.76 MB)
1 What Is A Computer Network (158.45 MB)
2 Components Of Computer Networks Servers, NICs, Switches, Routers & Firewalls (177.66 MB)
3 Components Of Computer Networks Wi-Fi & DNA Center (141.36 MB)
1 Components of a Computer Network (92.53 MB)
2 Technologies That Comprise a Network (44.72 MB)
1 Network Math Binary (116.38 MB)
2 Network Math Hexadecimal (86.21 MB)
1 Computer Networking Job Roles (98.56 MB)
2 Computer Networking Job Specialties (64.51 MB)
1 Where Do I Go From Here (145.67 MB)
1 Network Topology Architectures (178.41 MB)
1 Power Over Ethernet (PoE) (129.05 MB)
ine-intro-to-networking-course-files (2.33 MB)
ine-intro-to-networking-technologies-v2-files (4.01 MB)
Introduction to Networking Technologies (15.64 MB)
1 Course Introduction (81.7 MB)
1 Building a Small Wired Network Part 1 (261.06 MB)
2 Building a Small Wired Network Part 2 (150 MB)
3 Building a Small Wired Network Part 3 (128.95 MB)
4 Building a Small Wired Network Part 4 (127.81 MB)
5 Building a Small Wired Network Part 5 (139.91 MB)
1 Course Introduction (21.63 MB)
1 History Purpose Of The Internet Protocol (138.57 MB)
2 IPv4 Header Fields (330.42 MB)
1 Why Do We Need IPv4 Addresses (84.73 MB)
2 Identifying The Network Bits (174.53 MB)
3 Identifying Your Own IP Information (54.7 MB)
1 Overview Of UDP (65.35 MB)
1 Introduction To TCP (84.88 MB)
2 TCP 3Way Handshake (64.88 MB)
ine-Intro-to-ipv4-tcp-udp-course-files (2.69 MB)
Introductionto IPv4 TCP and UDP (11.55 MB)
1 Introduction (33.28 MB)
10 SameLength Subnetting Part 2 (71.35 MB)
11 VariableLength Subnet Masking (86.27 MB)
12 IPv4 Address Summarization Supernetting (85.14 MB)
2 Brief History of IPv4 (99.29 MB)
3 Communications within Broadcast Domains (113.7 MB)
4 Identifying Classes Types of IPv4 Addresses Part 1 (109.49 MB)
5 Identifying Classes Types of IPv4 Addresses Part 2 (21.2 MB)
6 IPv4 Governing Bodies (40.32 MB)
7 Private vs Public Addresses (42.29 MB)
8 IPv4 Subnet Masks (112.8 MB)
9 SameLength Subnetting Part 1 (93.03 MB)
1 Course Introduction (25.17 MB)
2 Overview History (106.58 MB)
3 CSMA CD Operation (92.35 MB)
4 Autonegotiation (41.56 MB)
5 Ethernet Frame Structure (122.99 MB)
6 Ethernet Frame Size (22.12 MB)
7 Ethernet Cabling (45.97 MB)
What-Is-Ethernet-Anyway (3.83 MB)
1 Introduction to IPv6 History Address Representation (107.96 MB)
2 Introduction to IPv6 v4 v6 Header Comparisons (22.78 MB)
3 Introduction to IPv6 InterfaceIDs (96.98 MB)
4 Introduction to IPv6 Address Types (67.54 MB)
5 Introduction to IPv6 IPv6 Neighbor Discovery (72.6 MB)
6 ARP The IPv6 Solution Solicited Node Multicast (76.5 MB)
1 Understanding Common Network Application (31.05 MB)
2 What do Applications have to do with a CCNA (38.88 MB)
3 TCP and UDP An Overview (152.98 MB)
4 DNS (110.61 MB)
5 Categories Types of Applications (33.67 MB)
6 Email (52.88 MB)
7 Web Browsing (80.04 MB)
8 Telnet (57.62 MB)
ine-understanding-common-network-applications (3.01 MB)
1 Course Introduction (19.94 MB)
1 Introduction To Virtualization (258.17 MB)
2 An Overview Of Hypervisors (129.89 MB)
3 Virtual Switches (103.58 MB)
1 Virtual Machine Resource Considerations (94.69 MB)
2 Virtualization Networking Management Considerations (100.4 MB)
1 Virtualization Demonstration (125.28 MB)
2 Course Conclusion (18.38 MB)
ine-ccna-200-301-virtualization-fundamentals-files (2.65 MB)
VirtualizationFundamentalscoursetrailer (15.13 MB)
1 Course Introduction (23.65 MB)
1 The Goals Of Loop Prevention (98.99 MB)
1 Root Bridge Election (147.71 MB)
2 Essential RSTP Cisco IOS Commands (156.45 MB)
3 Root Port Election (173.77 MB)
4 Designated NonDesignated Port Election (147.53 MB)
1 RapidPVST Topology Manipulation (169.11 MB)
1 RSTP Sync Process (93.86 MB)
1 RSTP Timers (132.89 MB)
1 RSTP Topology Changes (68.16 MB)
ine-cisco-ccna-200-301-rapid-pvst-spanning-tree-protocol-files (3.27 MB)
The Rapid Pvst Spanning tree Protocol course trailer (19.09 MB)
1 Virtual LANs VLANs (132.91 MB)
2 Voice VLAN (73.77 MB)
3 VLAN Trunks Part 1 (81.58 MB)
4 VLAN Trunks Part 2 (77.2 MB)
5 Dynamic Trunking Protocol (103.22 MB)
1 Course Introduction (19.79 MB)
1 Wi-Fi Defined (138.1 MB)
2 Wi-Fi Components (178.98 MB)
3 Wi-Fi Network Types & Terminology (72.63 MB)
1 Radio Frequency Explained (128.46 MB)
2 Wi-Fi Modulation Techniques (102.39 MB)
3 Radio Frequency Propagation (74.81 MB)
1 RF Channels (54.77 MB)
2 Planning For RF Channel Implementation (151.27 MB)
3 RF Channel Implementation - Demonstration (103.02 MB)
ine-ccna-wifi-fundamental-principles-files (17.66 MB)
Wi-Fi Fundamental Principles (15.8 MB)
1 Course Introduction (14.72 MB)
2 What Is A Wireless Architecture (37.9 MB)
1 Autonomous WLAN Architectures (99.6 MB)
2 CloudBased WLAN Architectures (71.05 MB)
3 SplitMAC WLAN Architectures (75.57 MB)
4 Introduction To CAPWAP (60.58 MB)
1 WLAN Controller Deployment Options (175.88 MB)
2 Cisco WLAN Controllers (32.76 MB)
3 Infrastructure Connections Of WLAN Components (85.07 MB)
1 Cisco Access Point Modes (136.87 MB)
AnOverviewOfWiFiComponentsArchitectures (10.96 MB)
ine-ccna-overview-wifi-components-architectures-files (21.67 MB)
1 Course Introduction (42.9 MB)
1 The Need For Components Of WiFi Security (128.99 MB)
2 WiFi Security Authentication (91.12 MB)
1 Understanding WEP WPA (187.02 MB)
2 An Overview Of WPA2 (99.94 MB)
3 An Overview Of WPA3 (117.46 MB)
1 Configuring WPA2 With PSK Autonomous Access Points (12.65 MB)
2 Configuring WPA2 With PSK Wireless Controller (10.63 MB)
ine-ccna-jumping-into-wifi-security-course-files (3.93 MB)
JumpingIntoWiFiSecurity (11.82 MB)
1 Course Introduction (35.05 MB)
2 Why Do We Need Routing (106.37 MB)
3 Identifying Routable Addresses (57.21 MB)
4 What Happens to a Packet (91.82 MB)
5 When Are Routes Stored Part 1 (122.04 MB)
6 When Are Routes Stored Part 2 (91.9 MB)
7 How Are Routes Selected (60.37 MB)
1 Contrasting Routing Protocols IGP & EGP (40.92 MB)
2 Contrasting Routing Protocols High-Level Differences (43.27 MB)
3 Contrasting Routing Protocols Distance Vector (21.55 MB)
4 Contrasting Routing Protocols Link State (32.05 MB)
5 Contrasting Routing Protocols Advanced Distance Vector (16.47 MB)
6 Contrasting Routing Protocols Path Vector (19.98 MB)
ip-routing-basics-course-files (1.85 MB)
1 Course Introduction (15.29 MB)
2 Why Do We Need Inter-VLAN Routing (86.11 MB)
3 Router-On-A-Stick - Theory (97.56 MB)
4 Router-On-A-Stick - Implementation (84.85 MB)
5 Switched Virtual Interfaces - Theory (119.07 MB)
6 Switched Virtual Interfaces - Implementation (77.83 MB)
Implementing Inter-VLAN Routing (8.49 MB)
ine-Inter-VLAN-Routing-course-files (481.25 KB)
1 Ipv4 Routing With Ospf 1 (18.83 MB)
1 Ipv4routingwithospf002 (182.32 MB)
2 Ipv4routingwithospf003 (88.79 MB)
3 Ipv4routingwithospf004 (42.99 MB)
4 Ipv4routingwithospf005 (157.78 MB)
5 Ipv4routingwithospf006 (308.63 MB)
6 Ipv4routingwithospf007 (221.12 MB)
7 Ipv4routingwithospf008 (163.26 MB)
8 Ipv4routingwithospf009 (146.21 MB)
1 Ipv4routingwithospf010 (87.7 MB)
1 Ipv4routingwithospf011 (209.35 MB)
2 Ipv4routingwithospf012 (239.02 MB)
1 Ipv4routingwithospf013 (117.96 MB)
2 Ipv4routingwithospf014 (149.25 MB)
1 Ipv4routingwithospf015 (104.76 MB)
2 Ipv4routingwithospf016 (70.13 MB)
3 Ipv4routingwithospf017 (164.16 MB)
4 Ipv4routingwithospf018 (124.53 MB)
1 Ipv4routingwithospf019 (194.7 MB)
1 Ipv4routingwithospf020 (69.73 MB)
1 Ipv4routingwithospf021 (12.37 MB)
IPv4 Routing With OSPF Files (9.13 MB)
IPv4RoutingWithOSPFCourseTrailer (63.07 MB)
1 Open Shortest Path First OSPF Introduction (120.31 MB)
2 OSPF Packet Types Adjacencies (70.24 MB)
3 OSPF DR BDR Election (83.6 MB)
4 OSPF Network Types Router Roles Tables (70.75 MB)
5 Implementing OSPF (85.62 MB)
6 OSPF Cost (39.59 MB)
1 Course Introduction (27.5 MB)
1 Port Security (240.28 MB)
2 Monitoring Port Security (20.51 MB)
3 Port Security Demonstration (168 MB)
1 Overview Of DHCP Operations (24.58 MB)
2 Securing Network Access With DHCP Snooping (97.66 MB)
3 Configuring DHCP Snooping In Cisco IOS (56.94 MB)
4 DHCP Snooping Demonstration (200.97 MB)
1 Securing Network Access With Dynamic ARP Inspection (73.23 MB)
2 Configuring Dynamic ARP Inspection In Cisco IOS (68.06 MB)
3 Dynamic ARP Inspection Demonstration (74.58 MB)
1 Securing Switch Access With AAA (213.94 MB)
ine-cisco-ccna-200-301-layer-2-switching-security-features-files (4.24 MB)
SwitchingSecurityFeatures (15.15 MB)
1 Course Introduction (25.23 MB)
1 The Dynamic Host Configuration Protocol DHCP (161.61 MB)
2 Configuring Cisco IOS As A DHCP Server or Relay Agent (87.84 MB)
3 Configuring DHCP Clients (81.2 MB)
1 The Domain Name Service DNS (133.28 MB)
1 The Network Time Protocol NTP (111.15 MB)
ine-cisco-ccna-200-301-understanding-dhcp-dns-ntp-services-files (2.15 MB)
UnderstandingDHCPDNSNTPServices (13.03 MB)
1 AccessList Overview (83.34 MB)
2 Standard ACLs (122.7 MB)
3 Extended ACLs (134.02 MB)
4 Named ACLs (15.43 MB)
1 Course Introduction (15.92 MB)
1 Introducing Network Address Translation (134.09 MB)
1 Static NAT (98.01 MB)
2 Dynamic NAT (156.02 MB)
3 Port Address Translation PAT (110.78 MB)
A Beginners Guide To Network Address Translation NAT (13.99 MB)
ine-cisco-ccna-200-301-guide-to-nat-files (1.71 MB)
1 Course Introduction (21.93 MB)
1 Introduction To SNMP (53.71 MB)
2 SNMP Components (144.2 MB)
1 SNMP Versions (141.24 MB)
1 Configuring SNMPv1 v2c (21.12 MB)
2 Configuring SNMPv3 (133.57 MB)
3 Verifying Your SNMP Configuration (22.66 MB)
1 Introduction To Syslog (84.87 MB)
ine-cisco-ccna-200-301-network-monitoring-with-snmp-syslog-files (15.97 MB)
NetworkMonitoringWithSNMPSYSLOG (13.61 MB)
1 Course Introduction (24.7 MB)
1 Introduction To QoS (432.4 MB)
1 Classification Marking (229.96 MB)
2 IP Precedence DSCP (470.52 MB)
1 Congestion Avoidance With Policing Shaping (285.05 MB)
2 Congestion Avoidance With PreEmptive Queue Drops (234.92 MB)
1 Congestion Management Control With Queuing Scheduling (211.2 MB)
EnhancingNetworkOperationsWithQoscoursetrailer (27 MB)
ine-ccna-200-301-enhancing-network-op-qos-files (4.92 MB)
1 MPLS Terminology and Concepts (110.58 MB)
2 Introduction to VPNs (100.66 MB)
3 Configuring GRE Tunnels (139.79 MB)
1 Course Introduction (74.44 MB)
1 HistoricalToCurrent Methods Of Network Management (74.22 MB)
2 Introduction To Network Management Automation (72.8 MB)
3 Network Management Automation Origination Points (134.13 MB)
4 Network Management Automation Protocols Impact (142.8 MB)
1 Comparing Traditional Networks With ControllerBased Networking (128.89 MB)
2 ControllerBased SDN Architectures (75.98 MB)
3 SDNs Relationship To Management Control Data Planes (121.54 MB)
4 Introducing Northbound Southbound APIs (69.91 MB)
1 Introduction To Cisco DNA Center (112.71 MB)
2 Architectural Elements Of IntentBased Networking (89.85 MB)
3 Comparing Traditional Campus Networks Against DNA CenterEnabled Networks (144.85 MB)
1 Characteristics Of RESTbased APIs (334.91 MB)
1 Overview Of Network Automation Tools (213.86 MB)
1 Encoding Data With JSON (125.25 MB)
ine-intro-network-programmability-automation files (25.6 MB)
IntroducingNetworkProgrammabilityAutomation (15.89 MB)
1 Building Home Labs Prepare (150.04 MB)
2 Building Home Labs Plan (103.02 MB)
3 Building Home Labs Design Implement Operate (89.59 MB)
4 Building Home Labs Last Tips (111.27 MB)
5 Using Remote Labs Following Lab Guides (104.91 MB)
6 Using Remote Labs Creating Your Own Labs (153.22 MB)
7 Using Remote Labs Renting INE Remote Racks (148.72 MB)
1 GNS3 Course Introduction (13.7 MB)
2 A Simulator or an Emulator (29.29 MB)
1 Switching Lab Overview Objectives Topology (26.82 MB)
1 Switching Lab Overview, Objectives & Topology (26.82 MB)
2 Switching Part 1 Building the Physical Topology (26.01 MB)
3 Switching Part 2 Adding IP Addresses and Static Routes (79.52 MB)
4 Switching Part 3 Configuring VTP and VLANs (127.4 MB)
5 Switching Part 4 Modifying Spanning-Tree (59.6 MB)
5 Switching Part 4 Modifying SpanningTree (59.6 MB)
1 Cisco Platform Considerations (58.16 MB)
2 Feature Sets (37.57 MB)
3 Memory Considerations (85.35 MB)
1 Locating and Downloading GNS3 (92.58 MB)
2 The GNS3 Setup Wizard Part 1 (56.36 MB)
3 The GNS3 Setup Wizard Part 2 (85.04 MB)
4 Projects Topologies Nodes (56.51 MB)
4 Projects, Topologies & Nodes (56.51 MB)
5 Device Toolbar Workspace Part 1 (62.64 MB)
5 Device Toolbar & Workspace Part 1 (62.64 MB)
6 Device Toolbar and Workspace Part 2 (100.46 MB)
1 Built-In Ethernet Switch Node (43.98 MB)
1 BuiltIn Ethernet Switch Node (43.98 MB)
2 Connecting Your GNS3 Topology to an External Switch (72.04 MB)
3 EtherSwitch Router (128.32 MB)
1 Built-In Hub Node (7.72 MB)
1 BuiltIn Hub Node (7.72 MB)
2 Built-In Frame-Relay Switch Node (31.1 MB)
2 BuiltIn FrameRelay Switch Node (31.1 MB)
3 Using the VPCS Node (140.29 MB)
1 Using Wireshark within GNS3 (14.74 MB)
1 Using GNS3 Snapshots (119.84 MB)
1 Changing your Terminal Emulator within GNS3 (36.42 MB)
1 EIGRP Lab Overview Objectives Topology (20.64 MB)
1 EIGRP Lab Overview, Objectives & Topology (20.64 MB)
2 EIGRP Part 1 Building the Physical Topology (10.7 MB)
3 EIGRP Part 2 Adding IP Addresses (69.35 MB)
4 EIGRP Part 3 Configuring Basic EIGRP (111.09 MB)
5 EIGRP Part 4 Adding EIGRP Authentication (44.28 MB)
6 EIGRP Part 5 Manipulating EIGRP Path Selection (68.98 MB)
1 Network Layers and OSI (134.18 MB)
2 Protocols (42.64 MB)
3 Routers Switches (40.33 MB)
4 Other Network Hardware (101.85 MB)
1 Protocol Analysis (118.25 MB)
2 TCP IP (61.55 MB)
3 Ethernet (34.1 MB)
1 Installing Wireshark (78.51 MB)
2 Configuring your PC (33.4 MB)
3 Configuring Wireshark (31.63 MB)
1 Navigating the GUI (29.47 MB)
2 Window Panes (31.17 MB)
3 Profiles (30.09 MB)
4 Preferences (38.42 MB)
1 Selecting an Interface (20.22 MB)
2 Precapture rules (44.68 MB)
3 Colorizing (26.62 MB)
1 Capturing Packets (70.8 MB)
2 Timestamps and time values (129.33 MB)
3 Navigation (110.33 MB)
4 Sample Captures (96.92 MB)
1 Setting Filters (70.39 MB)
2 Capture Filters (57.88 MB)
3 Display Filters (80.15 MB)
4 Advanced Filters (137.73 MB)
1 Troubleshooting with Statistics (142.22 MB)
2 Flow Graphs (124.08 MB)
3 I O Graphs (76.65 MB)
1 CommandLine Tools (93.6 MB)
2 Tshark (98.5 MB)
1 UDP TCP Streams (24.81 MB)
2 Using the Expert (64.99 MB)
3 Expert Advanced Features (52.65 MB)
1 Capturing IP Resolution (55.7 MB)
2 Broadcast Storm (111.03 MB)
1 Reviewing DORA (38.69 MB)
2 Rogue DHCP Server (38.09 MB)
1 Capturing DNS (43.03 MB)
2 DNS Resolution Analysis (37.36 MB)
1 Capturing HTTP (150.54 MB)
2 Poorly Performing Website (61.24 MB)
1 Capturing VOIP (33.63 MB)
2 Analyzing Poor Voice Quality (32.21 MB)
1 Capturing FTP (31.31 MB)
2 Analyzing Data Transfer (47.44 MB)
1 Capturing Wireless (45.22 MB)
2 Analyzing Incorrect SSID (28.35 MB)
1 Capturing Client Server Response (83.75 MB)
2 TCP Sequencing and Handshake (49.06 MB)
1 Annotating Files (42.03 MB)
1 Saving Captures (110.44 MB)
2 Multiple Files (29.66 MB)
3 Different Formats (21.52 MB)
1 Importing Data (22.25 MB)
2 Exporting Data (29.06 MB)
3 Merging Data (56.08 MB)
INE-wireshark-technologies-course-slides (17.95 MB)
1 An Overview Of IPv4 TCP and UDP (87.5 MB)
2 An Overview Of IPv4 TCP and UDP Part 2 (92.04 MB)
1 Securing IOS Remote Access (71.14 MB)
1 Basic Switch Configuration (56.64 MB)
2 Using VLANs For Network Segmentation (28 MB)
3 Extending VLANs With VLAN Trunks (37.49 MB)
4 Dynamic Trunking Protocol (12.07 MB)
1 Mapping The Topology With CDP LLDP (24.4 MB)
1 Classification Marking (42.85 MB)
2 IP Precedence DSCP (54.59 MB)
1 Congestion Avoidance With Policing Shaping (44.88 MB)
2 Congestion Avoidance With PreEmptive Queue Drops (38.54 MB)
1 Congestion Management Control With Queuing Scheduling (40.19 MB)
1 WiFi QoS (52.01 MB)
1 Introduction To Network Management Automation (23.8 MB)
2 Approaches For SDN Controllers (28.84 MB)
3 ControllerBased SDN Architectures (26.02 MB)
4 SDNs Relationship To Management Control Data Planes (28.02 MB)
5 Introducing Northbound Southbound APIs (20.78 MB)
1 Characteristics Of RESTbased APIs (23.89 MB)
2 Encoding Data With JSON (25.49 MB)
3 Overview Of Network Automation Tools (44.19 MB)
1 Introduction To VPNs (43.97 MB)
2 MPLS Terminology and Concepts (80 MB)
1 The Goals Of Loop Prevention (10.25 MB)
2 Reviewing RSTP Functionality (24.47 MB)
3 Essential RSTP Cisco IOS Commands (60.96 MB)
4 Root Port Election (35.51 MB)
5 Designated Nondesignated Port Election (51.73 MB)
6 RSTP Timers (11.05 MB)
7 Portfast Edge Ports (7.45 MB)
1 Port Bundling With EtherChannel (70.38 MB)
1 ineccna200301examreview017hd (21.74 MB)
1 Securing Switchports With Port Security (59.38 MB)
2 Monitoring Port Security (10.52 MB)
1 Securing Network Access With DHCP Snooping (24.08 MB)
2 Configuring DHCP Snooping In Cisco IOS (36.48 MB)
1 Denying ARP Attacks With Dynamic ARP Inspection (21.67 MB)
2 Configuring Dynamic ARP Inspection In Cisco IOS (19.73 MB)
1 Routing IP Packets (31.16 MB)
2 InterVLAN Routing (25.96 MB)
3 Static Routing (20.86 MB)
1 Introduction To IPv6 Part 1 (52.44 MB)
2 Introduction To IPv6 Part 2 (76.19 MB)
3 Implementing IPv6 (31.7 MB)
1 Open Shortest Path First (97.59 MB)
2 OSPF DR BDR Elections (48.43 MB)
3 Implementing OSPF In Cisco IOS (64.25 MB)
4 Influencing OSPF Path Selection (21.05 MB)
1 An EIGRP Refresher (67.15 MB)
1 Classification Using Access Control Lists (34.07 MB)
2 Standard ACLs (30.86 MB)
3 Extended ACLs (18.82 MB)
1 Protecting The First Hop With HSRP (21.93 MB)
1 Introducing Network Address Translation (31.07 MB)
2 Static NAT (16.49 MB)
3 Dynamic NAT (28.67 MB)
4 Port Address Translation (18.69 MB)
1 Working With WiFi (23.66 MB)
2 WiFi Components (32.57 MB)
3 WiFi Network Types Terminology (20.98 MB)
4 WiFi Bands and Channels (32.21 MB)
1 Autonomous WLAN Architectures (15.77 MB)
2 Split MAC WLAN Architectures (12.13 MB)
3 Introduction To CAPWAP (20.82 MB)
4 Cisco WLAN Controllers (11.32 MB)
5 Infrastructure Connections Of WLAN Components (17.34 MB)
1 WiFi Security Authentication (23.69 MB)
2 Understanding WEP WPA (25.81 MB)
3 Configuring WPA2 With PSK WLAN Controllers (40.63 MB)
ine-ccna-200-301-exam-review-course-files (43.23 MB)
Course Introduction (119.35 MB)
1 IPv4 & IPv6 (80.76 MB)
2 IPv4 & IPv6 (45.04 MB)
LAN Switching (49.49 MB)
1 Networking (120.39 MB)
2 Networking (75.03 MB)
3 Networking (46.88 MB)
TCP & UDP (19.08 MB)
Virtualization (39.36 MB)
Wireless (51.16 MB)
Course Conclusion (7.49 MB)
CCNA Exam Assessment Network Fundamentals Course Trailer (15.52 MB)